build: update dependencies

Update dependencies and configure the app for angular material and flex
layout.

Fixes #44

src/app/app.component.ts

@@ -5,9 +5,8 @@ import { TranslateService } from '@ngx-translate/core';
 import { merge } from 'rxjs';
 import { filter, map, mergeMap } from 'rxjs/operators';
 
-import { environment } from '@env/environment';
-import { Logger, I18nService } from '@app/core';
-import * as $ from 'jquery';
+import { environment } from '../environments/environment';
+import { Logger, I18nService } from '../app/core';
 const log = new Logger('App');
 
 @Component({