Updated config files

appsettings.Development.json

@@ -4,5 +4,8 @@
       "Default": "Information",
       "Microsoft.AspNetCore": "Warning"
     }
+  },
+  "ConnectionStrings": {
+    "MongoDBURI": "mongodb+srv://<username>:<password>@cluster0.abc.mongodb.net/?retryWrites=true&w=majority"
   }
 }

appsettings.json

@@ -5,5 +5,8 @@
       "Microsoft.AspNetCore": "Warning"
     }
   },
-  "AllowedHosts": "*"
+  "AllowedHosts": "*",
+  "ConnectionStrings": {
+    "MongoDBURI": "mongodb+srv://<username>:<password>@cluster0.abc.mongodb.net/?retryWrites=true&w=majority"
+  }
 }