Fullscreen keybind (#961)

# Added
- Added: Added 'f' as keybind to toggle fullscreen on manga and book readers.

UI/Web/src/app/book-reader/book-reader/book-reader.component.ts

@@ -494,6 +494,8 @@ export class BookReaderComponent implements OnInit, AfterViewInit, OnDestroy {
       event.preventDefault(); 
     } else if (event.key === KEY_CODES.G) {
       this.goToPage();
+    } else if (event.key === KEY_CODES.F) {
+      this.toggleFullscreen()
     }
   }
 

UI/Web/src/app/manga-reader/manga-reader.component.ts

@@ -400,6 +400,8 @@ export class MangaReaderComponent implements OnInit, AfterViewInit, OnDestroy {
       this.goToPage(parseInt(goToPageNum.trim(), 10));
     } else if (event.key === KEY_CODES.B) {
       this.bookmarkPage();
+    } else if (event.key === KEY_CODES.F) {
+      this.toggleFullscreen()
     }
   }
 

UI/Web/src/app/shared/_services/utility.service.ts

@@ -19,6 +19,7 @@ export enum KEY_CODES {
   ENTER = 'Enter',
   G = 'g',
   B = 'b',
+  F = 'f',
   BACKSPACE = 'Backspace',
   DELETE = 'Delete',
   SHIFT = 'Shift'