Added code comment

src/screens/Game.vue

@@ -79,6 +79,10 @@ function preloadScene(scene: Phaser.Scene) {
   scene.load.image('blank_tile', '/assets/zone/blank_tile.png')
   scene.load.image('waypoint', '/assets/waypoint.png')
 
+  /**
+   *  We're using rex-await-loader to load assets asynchronously
+   *  Phaser does not support this out of the box, so we're using this plugin
+   */
   scene.load.rexAwait(async function (successCallback) {
     await assetManager.getAssetsByGroup('tiles').then((assets) => {
       assets.forEach((asset) => {