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/Controllers/FilesController.js

@@ -1,5 +1,4 @@
 // FilesController.js
-import { Parse } from 'parse/node';
 import { randomHexString } from '../cryptoUtils';
 import AdaptableController from './AdaptableController';
 import { FilesAdapter } from '../Adapters/Files/FilesAdapter';
@@ -85,7 +84,7 @@ export class FilesController extends AdaptableController {
 
   getFileStream(config, filename) {
     return this.adapter.getFileStream(filename);
-   }
+  }
 }
 
 export default FilesController;