Add some monitoring themes

Author: quincylvania

data/themes/precipitation_monitoring.json

@@ -0,0 +1,14 @@
+{
+  "features": [
+    {
+      "tags": {
+        "monitoring:precipitation": "yes"
+      }
+    },
+    {
+      "tags": {
+        "monitoring:rainfall": "yes"
+      }
+    }
+  ]
+}

data/themes/water_level_monitoring.json

@@ -0,0 +1,9 @@
+{
+  "features": [
+    {
+      "tags": {
+        "monitoring:water_level": "yes"
+      }
+    }
+  ]
+}

data/themes/wind_monitoring.json

@@ -0,0 +1,19 @@
+{
+  "features": [
+    {
+      "tags": {
+        "aeroway": "windsock"
+      }
+    },
+    {
+      "tags": {
+        "monitoring:wind_speed": "yes"
+      }
+    },
+    {
+      "tags": {
+        "monitoring:wind_direction": "yes"
+      }
+    }
+  ]
+}