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/Routers/FeaturesRouter.js

@@ -47,9 +47,9 @@ export class FeaturesRouter extends PromiseRouter {
       };
 
       return { response: {
-				features: features,
-				parseServerVersion: version,
-			} };
+        features: features,
+        parseServerVersion: version,
+      } };
     });
   }
 }