Add Vultr details

Author: hcarlens

cloud_gpu.json

@@ -395,7 +395,7 @@
         },
         {
             "name": "Vultr",
-            "url": "https://www.vultr.com/?ref=9041257-8H",
+            "url": "https://www.vultr.com/?ref=9670711-9J",
             "cost1080": "-",
             "costv100": "-",
             "costp100": "-",
@@ -409,17 +409,17 @@
             "costa5000": "-",
             "costa6000": "-",
             "costa100_40": "-",
-            "costa100_80": "$2.60",
-            "costa40": "$1.86",
+            "costa100_80": "$2.40",
+            "costa40": "$1.71",
             "costrtx6000": "-",
             "costa10": "-",
             "cost4090": "-",
-            "costh100": "-",
+            "costh100": "$2.50",
             "costl40": "-",
             "images": true,
             "notebooks": false,
             "ssh": true,
-            "credits": "$100",
+            "credits": "$300",
             "persistence": true,
             "region": "Worldwide",
             "supportsFractional": true