Feature/use alias for imports (#352)

* Use alias "@" for imports

* Use alias "@" for imports - Fix imports

* Use alias "@" for imports - Prevent faulty "import/extensions" linting issue

For some reason the rule throws an error for alias imports

* Use alias "@" for imports - Update "no-relative-imports" eslint rule

src/lib/RestClient.ts

@@ -7,7 +7,7 @@
  */
 
 import axios, { AxiosInstance, AxiosRequestConfig, AxiosResponse } from 'axios';
-import storage from 'util/localStorage';
+import storage from '@/util/localStorage';
 
 export enum HttpMethod {
     GET = 'get',