diff --git a/api/Pipfile.lock b/api/Pipfile.lock
index 2e9307d..68a2b3e 100644
--- a/api/Pipfile.lock
+++ b/api/Pipfile.lock
@@ -1,7 +1,7 @@
 {
     "_meta": {
         "hash": {
-            "sha256": "310e1fd788e7ea498f16048ffc73c44199f3312601245f5208c35883fdd85842"
+            "sha256": "0e0bd3734afd53b8f67d3b69578a4acfe9bd5f40535466b14ad07dfa9b3c41e8"
         },
         "pipfile-spec": 6,
         "requires": {
@@ -26,17 +26,17 @@
         },
         "certifi": {
             "hashes": [
-                "sha256:339dc09518b07e2fa7eda5450740925974815557727d6bd35d319c1524a04a4c",
-                "sha256:6d58c986d22b038c8c0df30d639f23a3e6d172a05c3583e766f4c0b785c0986a"
+                "sha256:1a4995114262bffbc2413b159f2a1a480c969de6e6eb13ee966d470af86af59c",
+                "sha256:719a74fb9e33b9bd44cc7f3a8d94bc35e4049deebe19ba7d8e108280cfd59830"
             ],
-            "version": "==2018.10.15"
+            "version": "==2020.12.5"
         },
         "chardet": {
             "hashes": [
-                "sha256:84ab92ed1c4d4f16916e05906b6b75a6c0fb5db821cc65e70cbd64a3e2a5eaae",
-                "sha256:fc323ffcaeaed0e0a02bf4d117757b98aed530d9ed4531e3e15460124c106691"
+                "sha256:0d6f53a15db4120f2b08c94f11e7d93d2c911ee118b6b30a04ec3ee8310179fa",
+                "sha256:f864054d66fd9118f2e67044ac8981a54775ec5b67aed0441892edb553d21da5"
             ],
-            "version": "==3.0.4"
+            "version": "==4.0.0"
         },
         "coreapi": {
             "hashes": [
@@ -76,32 +76,27 @@
             "index": "pypi",
             "version": "==3.8.2"
         },
-        "drf-writable-nested": {
-            "hashes": [
-                "sha256:5c54eca93d74dc22014fb7ea54b6dbd559a058587596feba4d79078e32a83e16"
-            ],
-            "index": "pypi",
-            "version": "==0.5.1"
-        },
         "idna": {
             "hashes": [
-                "sha256:156a6814fb5ac1fc6850fb002e0852d56c0c8d2531923a51032d1b70760e186e",
-                "sha256:684a38a6f903c1d71d6d5fac066b58d7768af4de2b832e426ec79c30daa94a16"
+                "sha256:b307872f855b18632ce0c21c5e45be78c0ea7ae4c15c828c20788b26921eb3f6",
+                "sha256:b97d804b1e9b523befed77c48dacec60e6dcb0b5391d57af6a65a312a90648c0"
             ],
-            "version": "==2.7"
+            "version": "==2.10"
         },
         "itypes": {
             "hashes": [
-                "sha256:c6e77bb9fd68a4bfeb9d958fea421802282451a25bac4913ec94db82a899c073"
+                "sha256:03da6872ca89d29aef62773672b2d408f490f80db48b23079a4b194c86dd04c6",
+                "sha256:af886f129dea4a2a1e3d36595a2d139589e4dd287f5cab0b40e799ee81570ff1"
             ],
-            "version": "==1.1.0"
+            "version": "==1.2.0"
         },
         "jinja2": {
             "hashes": [
-                "sha256:74c935a1b8bb9a3947c50a54766a969d4846290e1e788ea44c1392163723c3bd",
-                "sha256:f84be1bb0040caca4cea721fcbbbbd61f9be9464ca236387158b0feea01914a4"
+                "sha256:03e47ad063331dd6a3f04a43eddca8a966a26ba0c5b7207a9a9e4e08f1b29419",
+                "sha256:a6d58433de0ae800347cab1fa3043cebbabe8baa9d29e668f1c768cb87a333c6"
             ],
-            "version": "==2.10"
+            "index": "pypi",
+            "version": "==2.11.3"
         },
         "lazy-object-proxy": {
             "hashes": [
@@ -140,9 +135,60 @@
         },
         "markupsafe": {
             "hashes": [
-                "sha256:a6be69091dac236ea9c6bc7d012beab42010fa914c459791d627dad4910eb665"
-            ],
-            "version": "==1.0"
+                "sha256:00bc623926325b26bb9605ae9eae8a215691f33cae5df11ca5424f06f2d1f473",
+                "sha256:09027a7803a62ca78792ad89403b1b7a73a01c8cb65909cd876f7fcebd79b161",
+                "sha256:09c4b7f37d6c648cb13f9230d847adf22f8171b1ccc4d5682398e77f40309235",
+                "sha256:1027c282dad077d0bae18be6794e6b6b8c91d58ed8a8d89a89d59693b9131db5",
+                "sha256:13d3144e1e340870b25e7b10b98d779608c02016d5184cfb9927a9f10c689f42",
+                "sha256:195d7d2c4fbb0ee8139a6cf67194f3973a6b3042d742ebe0a9ed36d8b6f0c07f",
+                "sha256:22c178a091fc6630d0d045bdb5992d2dfe14e3259760e713c490da5323866c39",
+                "sha256:24982cc2533820871eba85ba648cd53d8623687ff11cbb805be4ff7b4c971aff",
+                "sha256:29872e92839765e546828bb7754a68c418d927cd064fd4708fab9fe9c8bb116b",
+                "sha256:2beec1e0de6924ea551859edb9e7679da6e4870d32cb766240ce17e0a0ba2014",
+                "sha256:3b8a6499709d29c2e2399569d96719a1b21dcd94410a586a18526b143ec8470f",
+                "sha256:43a55c2930bbc139570ac2452adf3d70cdbb3cfe5912c71cdce1c2c6bbd9c5d1",
+                "sha256:46c99d2de99945ec5cb54f23c8cd5689f6d7177305ebff350a58ce5f8de1669e",
+                "sha256:500d4957e52ddc3351cabf489e79c91c17f6e0899158447047588650b5e69183",
+                "sha256:535f6fc4d397c1563d08b88e485c3496cf5784e927af890fb3c3aac7f933ec66",
+                "sha256:596510de112c685489095da617b5bcbbac7dd6384aeebeda4df6025d0256a81b",
+                "sha256:62fe6c95e3ec8a7fad637b7f3d372c15ec1caa01ab47926cfdf7a75b40e0eac1",
+                "sha256:6788b695d50a51edb699cb55e35487e430fa21f1ed838122d722e0ff0ac5ba15",
+                "sha256:6dd73240d2af64df90aa7c4e7481e23825ea70af4b4922f8ede5b9e35f78a3b1",
+                "sha256:6f1e273a344928347c1290119b493a1f0303c52f5a5eae5f16d74f48c15d4a85",
+                "sha256:6fffc775d90dcc9aed1b89219549b329a9250d918fd0b8fa8d93d154918422e1",
+                "sha256:717ba8fe3ae9cc0006d7c451f0bb265ee07739daf76355d06366154ee68d221e",
+                "sha256:79855e1c5b8da654cf486b830bd42c06e8780cea587384cf6545b7d9ac013a0b",
+                "sha256:7c1699dfe0cf8ff607dbdcc1e9b9af1755371f92a68f706051cc8c37d447c905",
+                "sha256:7fed13866cf14bba33e7176717346713881f56d9d2bcebab207f7a036f41b850",
+                "sha256:84dee80c15f1b560d55bcfe6d47b27d070b4681c699c572af2e3c7cc90a3b8e0",
+                "sha256:88e5fcfb52ee7b911e8bb6d6aa2fd21fbecc674eadd44118a9cc3863f938e735",
+                "sha256:8defac2f2ccd6805ebf65f5eeb132adcf2ab57aa11fdf4c0dd5169a004710e7d",
+                "sha256:98bae9582248d6cf62321dcb52aaf5d9adf0bad3b40582925ef7c7f0ed85fceb",
+                "sha256:98c7086708b163d425c67c7a91bad6e466bb99d797aa64f965e9d25c12111a5e",
+                "sha256:9add70b36c5666a2ed02b43b335fe19002ee5235efd4b8a89bfcf9005bebac0d",
+                "sha256:9bf40443012702a1d2070043cb6291650a0841ece432556f784f004937f0f32c",
+                "sha256:a6a744282b7718a2a62d2ed9d993cad6f5f585605ad352c11de459f4108df0a1",
+                "sha256:acf08ac40292838b3cbbb06cfe9b2cb9ec78fce8baca31ddb87aaac2e2dc3bc2",
+                "sha256:ade5e387d2ad0d7ebf59146cc00c8044acbd863725f887353a10df825fc8ae21",
+                "sha256:b00c1de48212e4cc9603895652c5c410df699856a2853135b3967591e4beebc2",
+                "sha256:b1282f8c00509d99fef04d8ba936b156d419be841854fe901d8ae224c59f0be5",
+                "sha256:b1dba4527182c95a0db8b6060cc98ac49b9e2f5e64320e2b56e47cb2831978c7",
+                "sha256:b2051432115498d3562c084a49bba65d97cf251f5a331c64a12ee7e04dacc51b",
+                "sha256:b7d644ddb4dbd407d31ffb699f1d140bc35478da613b441c582aeb7c43838dd8",
+                "sha256:ba59edeaa2fc6114428f1637ffff42da1e311e29382d81b339c1817d37ec93c6",
+                "sha256:bf5aa3cbcfdf57fa2ee9cd1822c862ef23037f5c832ad09cfea57fa846dec193",
+                "sha256:c8716a48d94b06bb3b2524c2b77e055fb313aeb4ea620c8dd03a105574ba704f",
+                "sha256:caabedc8323f1e93231b52fc32bdcde6db817623d33e100708d9a68e1f53b26b",
+                "sha256:cd5df75523866410809ca100dc9681e301e3c27567cf498077e8551b6d20e42f",
+                "sha256:cdb132fc825c38e1aeec2c8aa9338310d29d337bebbd7baa06889d09a60a1fa2",
+                "sha256:d53bc011414228441014aa71dbec320c66468c1030aae3a6e29778a3382d96e5",
+                "sha256:d73a845f227b0bfe8a7455ee623525ee656a9e2e749e4742706d80a6065d5e2c",
+                "sha256:d9be0ba6c527163cbed5e0857c451fcd092ce83947944d6c14bc95441203f032",
+                "sha256:e249096428b3ae81b08327a63a485ad0878de3fb939049038579ac0ef61e17e7",
+                "sha256:e8313f01ba26fbbe36c7be1966a7b7424942f670f38e666995b88d012765b9be",
+                "sha256:feb7b34d6325451ef96bc0e36e1a6c0c1c64bc1fbec4b854f4529e51887b1621"
+            ],
+            "version": "==1.1.1"
         },
         "mccabe": {
             "hashes": [
@@ -168,27 +214,60 @@
         },
         "requests": {
             "hashes": [
-                "sha256:99dcfdaaeb17caf6e526f32b6a7b780461512ab3f1d992187801694cba42770c",
-                "sha256:a84b8c9ab6239b578f22d1c21d51b696dcfe004032bb80ea832398d6909d7279"
+                "sha256:27973dd4a904a4f13b263a19c866c13b92a39ed1c964655f025f3f8d3d75b804",
+                "sha256:c210084e36a42ae6b9219e00e48287def368a26d03a048ddad7bfee44f75871e"
             ],
-            "version": "==2.20.0"
+            "version": "==2.25.1"
         },
         "simplejson": {
             "hashes": [
-                "sha256:067a7177ddfa32e1483ba5169ebea1bc2ea27f224853211ca669325648ca5642",
-                "sha256:2fc546e6af49fb45b93bbe878dea4c48edc34083729c0abd09981fe55bdf7f91",
-                "sha256:354fa32b02885e6dae925f1b5bbf842c333c1e11ea5453ddd67309dc31fdb40a",
-                "sha256:37e685986cf6f8144607f90340cff72d36acf654f3653a6c47b84c5c38d00df7",
-                "sha256:3af610ee72efbe644e19d5eaad575c73fb83026192114e5f6719f4901097fce2",
-                "sha256:3b919fc9cf508f13b929a9b274c40786036b31ad28657819b3b9ba44ba651f50",
-                "sha256:3dd289368bbd064974d9a5961101f080e939cbe051e6689a193c99fb6e9ac89b",
-                "sha256:6c3258ffff58712818a233b9737fe4be943d306c40cf63d14ddc82ba563f483a",
-                "sha256:75e3f0b12c28945c08f54350d91e624f8dd580ab74fd4f1bbea54bc6b0165610",
-                "sha256:b1f329139ba647a9548aa05fb95d046b4a677643070dc2afc05fa2e975d09ca5",
-                "sha256:ee9625fc8ee164902dfbb0ff932b26df112da9f871c32f0f9c1bcf20c350fe2a",
-                "sha256:fb2530b53c28f0d4d84990e945c2ebb470edb469d63e389bf02ff409012fe7c5"
-            ],
-            "version": "==3.16.0"
+                "sha256:034550078a11664d77bc1a8364c90bb7eef0e44c2dbb1fd0a4d92e3997088667",
+                "sha256:05b43d568300c1cd43f95ff4bfcff984bc658aa001be91efb3bb21df9d6288d3",
+                "sha256:0dd9d9c738cb008bfc0862c9b8fa6743495c03a0ed543884bf92fb7d30f8d043",
+                "sha256:10fc250c3edea4abc15d930d77274ddb8df4803453dde7ad50c2f5565a18a4bb",
+                "sha256:2862beabfb9097a745a961426fe7daf66e1714151da8bb9a0c430dde3d59c7c0",
+                "sha256:292c2e3f53be314cc59853bd20a35bf1f965f3bc121e007ab6fd526ed412a85d",
+                "sha256:2d3eab2c3fe52007d703a26f71cf649a8c771fcdd949a3ae73041ba6797cfcf8",
+                "sha256:2e7b57c2c146f8e4dadf84977a83f7ee50da17c8861fd7faf694d55e3274784f",
+                "sha256:311f5dc2af07361725033b13cc3d0351de3da8bede3397d45650784c3f21fbcf",
+                "sha256:344e2d920a7f27b4023c087ab539877a1e39ce8e3e90b867e0bfa97829824748",
+                "sha256:3fabde09af43e0cbdee407555383063f8b45bfb52c361bc5da83fcffdb4fd278",
+                "sha256:42b8b8dd0799f78e067e2aaae97e60d58a8f63582939af60abce4c48631a0aa4",
+                "sha256:4b3442249d5e3893b90cb9f72c7d6ce4d2ea144d2c0d9f75b9ae1e5460f3121a",
+                "sha256:55d65f9cc1b733d85ef95ab11f559cce55c7649a2160da2ac7a078534da676c8",
+                "sha256:5c659a0efc80aaaba57fcd878855c8534ecb655a28ac8508885c50648e6e659d",
+                "sha256:72d8a3ffca19a901002d6b068cf746be85747571c6a7ba12cbcf427bfb4ed971",
+                "sha256:75ecc79f26d99222a084fbdd1ce5aad3ac3a8bd535cd9059528452da38b68841",
+                "sha256:76ac9605bf2f6d9b56abf6f9da9047a8782574ad3531c82eae774947ae99cc3f",
+                "sha256:7d276f69bfc8c7ba6c717ba8deaf28f9d3c8450ff0aa8713f5a3280e232be16b",
+                "sha256:7f10f8ba9c1b1430addc7dd385fc322e221559d3ae49b812aebf57470ce8de45",
+                "sha256:8042040af86a494a23c189b5aa0ea9433769cc029707833f261a79c98e3375f9",
+                "sha256:813846738277729d7db71b82176204abc7fdae2f566e2d9fcf874f9b6472e3e6",
+                "sha256:845a14f6deb124a3bcb98a62def067a67462a000e0508f256f9c18eff5847efc",
+                "sha256:869a183c8e44bc03be1b2bbcc9ec4338e37fa8557fc506bf6115887c1d3bb956",
+                "sha256:8acf76443cfb5c949b6e781c154278c059b09ac717d2757a830c869ba000cf8d",
+                "sha256:8f713ea65958ef40049b6c45c40c206ab363db9591ff5a49d89b448933fa5746",
+                "sha256:934115642c8ba9659b402c8bdbdedb48651fb94b576e3b3efd1ccb079609b04a",
+                "sha256:9551f23e09300a9a528f7af20e35c9f79686d46d646152a0c8fc41d2d074d9b0",
+                "sha256:9a2b7543559f8a1c9ed72724b549d8cc3515da7daf3e79813a15bdc4a769de25",
+                "sha256:a55c76254d7cf8d4494bc508e7abb993a82a192d0db4552421e5139235604625",
+                "sha256:ad8f41c2357b73bc9e8606d2fa226233bf4d55d85a8982ecdfd55823a6959995",
+                "sha256:af4868da7dd53296cd7630687161d53a7ebe2e63814234631445697bd7c29f46",
+                "sha256:afebfc3dd3520d37056f641969ce320b071bc7a0800639c71877b90d053e087f",
+                "sha256:b59aa298137ca74a744c1e6e22cfc0bf9dca3a2f41f51bc92eb05695155d905a",
+                "sha256:bc00d1210567a4cdd215ac6e17dc00cb9893ee521cee701adfd0fa43f7c73139",
+                "sha256:c1cb29b1fced01f97e6d5631c3edc2dadb424d1f4421dad079cb13fc97acb42f",
+                "sha256:c94dc64b1a389a416fc4218cd4799aa3756f25940cae33530a4f7f2f54f166da",
+                "sha256:ceaa28a5bce8a46a130cd223e895080e258a88d51bf6e8de2fc54a6ef7e38c34",
+                "sha256:cff6453e25204d3369c47b97dd34783ca820611bd334779d22192da23784194b",
+                "sha256:d0b64409df09edb4c365d95004775c988259efe9be39697d7315c42b7a5e7e94",
+                "sha256:d4813b30cb62d3b63ccc60dd12f2121780c7a3068db692daeb90f989877aaf04",
+                "sha256:da3c55cdc66cfc3fffb607db49a42448785ea2732f055ac1549b69dcb392663b",
+                "sha256:e058c7656c44fb494a11443191e381355388443d543f6fc1a245d5d238544396",
+                "sha256:fed0f22bf1313ff79c7fc318f7199d6c2f96d4de3234b2f12a1eab350e597c06",
+                "sha256:ffd4e4877a78c84d693e491b223385e0271278f5f4e1476a4962dca6824ecfeb"
+            ],
+            "version": "==3.17.2"
         },
         "six": {
             "hashes": [
@@ -229,18 +308,17 @@
         },
         "uritemplate": {
             "hashes": [
-                "sha256:01c69f4fe8ed503b2951bef85d996a9d22434d2431584b5b107b2981ff416fbd",
-                "sha256:1b9c467a940ce9fb9f50df819e8ddd14696f89b9a8cc87ac77952ba416e0a8fd",
-                "sha256:c02643cebe23fc8adb5e6becffe201185bf06c40bda5c0b4028a93f1527d011d"
+                "sha256:07620c3f3f8eed1f12600845892b0e036a2420acf513c53f7de0abd911a5894f",
+                "sha256:5af8ad10cec94f215e3f48112de2022e1d5a37ed427fbd88652fa908f2ab7cae"
             ],
-            "version": "==3.0.0"
+            "version": "==3.0.1"
         },
         "urllib3": {
             "hashes": [
-                "sha256:61bf29cada3fc2fbefad4fdf059ea4bd1b4a86d2b6d15e1c7c0b582b9752fe39",
-                "sha256:de9529817c93f27c8ccbfead6985011db27bd0ddfcdb2d86f3f663385c6a9c22"
+                "sha256:2f4da4594db7e1e110a944bb1b551fdf4e6c136ad42e4234131391e21eb5b0df",
+                "sha256:e7b021f7241115872f92f43c6508082facffbd1c048e3c6e2bb9c2a157e28937"
             ],
-            "version": "==1.24.1"
+            "version": "==1.26.4"
         },
         "wrapt": {
             "hashes": [
@@ -251,6 +329,13 @@
         }
     },
     "develop": {
+        "asgiref": {
+            "hashes": [
+                "sha256:5ee950735509d04eb673bd7f7120f8fa1c9e2df495394992c73234d526907e17",
+                "sha256:7162a3cb30ab0609f1a4c95938fd73e8604f63bdba516a7f7d64b83ff09478f0"
+            ],
+            "version": "==3.3.1"
+        },
         "astroid": {
             "hashes": [
                 "sha256:292fa429e69d60e4161e7612cb7cc8fa3609e2e309f80c224d93a76d5e7b58be",
@@ -367,10 +452,10 @@
         },
         "pyparsing": {
             "hashes": [
-                "sha256:40856e74d4987de5d01761a22d1621ae1c7f8774585acae358aa5c5936c6c90b",
-                "sha256:f353aab21fd474459d97b709e527b5571314ee5f067441dc9f88e33eecd96592"
+                "sha256:c203ec8783bf771a155b207279b9bccb8dea02d8f0c9e5f8ead507bc3246ecc1",
+                "sha256:ef9d7589ef3c200abe66653d3f1ab1033c3c419ae9b9bdb1240a85b024efc88b"
             ],
-            "version": "==2.3.0"
+            "version": "==2.4.7"
         },
         "pytz": {
             "hashes": [
@@ -388,6 +473,13 @@
             "index": "pypi",
             "version": "==1.11.0"
         },
+        "sqlparse": {
+            "hashes": [
+                "sha256:017cde379adbd6a1f15a61873f43e8274179378e95ef3fede90b5aa64d304ed0",
+                "sha256:0f91fd2e829c44362cbcfab3e9ae12e22badaa8a29ad5ff599f9ec109f0454e8"
+            ],
+            "version": "==0.4.1"
+        },
         "typed-ast": {
             "hashes": [
                 "sha256:0948004fa228ae071054f5208840a1e88747a357ec1101c17217bfe99b299d58",