fix: set correct Groove capability type (was: custom)

Author: hyperpolymath

.well-known/groove/manifest.json

@@ -4,13 +4,13 @@
     "team"
   ],
   "capabilities": {
-    "primary": {
-      "description": "TODO: describe this service's primary capability",
+    "http": {
+      "description": "HTTP reverse proxy gateway that enforces fine-grained HTTP method capability controls.",
       "endpoint": "/api",
       "panel_compatible": true,
       "protocol": "http",
       "requires_auth": false,
-      "type": "custom"
+      "type": "http"
     }
   },
   "consumes": [