implemented allowSubscriptions in frontend

src/app/app.component.html

@@ -3,7 +3,7 @@
         <mat-toolbar color="primary" class="top">
             <div class="flex-row" width="100%" height="100%">
                 <div class="flex-column" style="text-align: left; margin-top: 1px;">
-                    <button #hamburgerMenu style="outline: none" *ngIf="router.url.split(';')[0] !== '/player'" mat-icon-button aria-label="Toggle side navigation" (click)="toggleSidenav()"><mat-icon>menu</mat-icon></button>
+                    <button #hamburgerMenu style="outline: none" *ngIf="router.url.split(';')[0] !== '/player' && allowSubscriptions" mat-icon-button aria-label="Toggle side navigation" (click)="toggleSidenav()"><mat-icon>menu</mat-icon></button>
                     <button (click)="goBack()" *ngIf="router.url.split(';')[0] === '/player'" mat-icon-button><mat-icon>arrow_back</mat-icon></button>
                 </div>
                 <div class="flex-column" style="text-align: center; margin-top: 5px;">

src/app/app.component.ts

@@ -34,6 +34,7 @@ export class AppComponent implements OnInit {
   topBarTitle = 'Youtube Downloader';
   defaultTheme = null;
   allowThemeChange = null;
+  allowSubscriptions = false;
 
   @ViewChild('sidenav', {static: false}) sidenav: MatSidenav;
   @ViewChild('hamburgerMenu', {static: false, read: ElementRef}) hamburgerMenuButton: ElementRef;
@@ -61,6 +62,7 @@ export class AppComponent implements OnInit {
       const themingExists = result['YoutubeDLMaterial']['Themes'];
       this.defaultTheme = themingExists ? result['YoutubeDLMaterial']['Themes']['default_theme'] : 'default';
       this.allowThemeChange = themingExists ? result['YoutubeDLMaterial']['Themes']['allow_theme_change'] : true;
+      this.allowSubscriptions = result['YoutubeDLMaterial']['Subscriptions']['allow_subscriptions'];
 
       // sets theme to config default if it doesn't exist
       if (!localStorage.getItem('theme')) {