feat(#8): move listeners to load

index.js

@@ -38,18 +38,21 @@ class Game extends GameObject {
     this.canvas = canvas;
     this.ctx = this.canvas.getContext("2d");
     this.lastTime = 0;
+  }
 
+  async load() {
+    await super.load();
     clicableObjects.forEach((elementId) => {
       document.getElementById(elementId).addEventListener("click", () => {
         this.onMouseClick(elementId);
       });
+    });
     document.addEventListener("keydown", (event) => {
       this.onKeyPressed(event.key);
     });
     document.addEventListener("keyup", (event) => {
       this.onKeyReleased(event.key);
     });
-    });
   }
 
   clear(ctx) {