feat(SCOPONE-0010): redesign main menu layout

src/main.ts

@@ -2,12 +2,7 @@ import Phaser from 'phaser';
 import { BootScene } from './scenes/BootScene';
 import { MenuScene } from './scenes/MenuScene';
 import { GameScene } from './scenes/GameScene';
-
-class SettingsScene extends Phaser.Scene {
-  constructor() {
-    super({ key: 'SettingsScene' });
-  }
-}
+import { SettingsScene } from './scenes/SettingsScene';
 
 const installFullscreenRequest = (host: HTMLElement): void => {
   const canRequestFullscreen =