Clean up and fix API routes.

app/Api/V2/Controllers/NetWorthController.php

@@ -55,6 +55,8 @@ class NetWorthController extends Controller
     }
 
     /**
+     * This endpoint is documented at:
+     * https://api-docs.firefly-iii.org/?urls.primaryName=2.0.0%20(v2)#/net-worth/getNetWorth
      * @param  SingleDateRequest  $request
      * @return JsonResponse
      */