Adds liniting into the workflow (#3082)

* initial linting of src

* fix indent to 2 spaces

* Removes unnecessary rules

* ignore spec folder for now

* Spec linting

* Fix spec indent

* nits

* nits

* no no-empty rule

src/LiveQuery/ParseWebSocketServer.js

@@ -38,7 +38,7 @@ export class ParseWebSocket {
     this.ws.on(wsType, callback);
   }
 
-  send(message: any, channel: string): void {
+  send(message: any): void {
     this.ws.send(message);
   }
 }