"audio only" checkbox is now remembered after page loads

removed videogular icons as it caused compilation errors

angular.json

@@ -24,8 +24,7 @@
               "src/backend"
             ],
             "styles": [
-              "src/styles.css",
-              "../node_modules/videogular2/fonts/videogular.css"
+              "src/styles.css"
             ],
             "scripts": []
           },
@@ -75,8 +74,7 @@
             "tsConfig": "src/tsconfig.spec.json",
             "scripts": [],
             "styles": [
-              "src/styles.css",
-              "../node_modules/videogular2/fonts/videogular.css"
+              "src/styles.css"
             ],
             "assets": [
               "src/assets",

src/app/main/main.component.ts

@@ -301,6 +301,10 @@ export class MainComponent implements OnInit {
   // app initialization.
   ngOnInit() {
     this.iOS = /iPad|iPhone|iPod/.test(navigator.userAgent) && !window['MSStream'];
+
+    if (localStorage.getItem('audioOnly') !== null) {
+      this.audioOnly = localStorage.getItem('audioOnly') === 'true';
+    }
   }
 
   // download helpers
@@ -553,6 +557,7 @@ export class MainComponent implements OnInit {
 
   videoModeChanged(new_val) {
     this.selectedQuality = '';
+    localStorage.setItem('audioOnly', new_val.checked.toString());
   }
 
   getAudioAndVideoFormats(formats): any[] {