Update templates/index.html

templates/index.html

@@ -81,6 +81,8 @@
         <label>Size: <input type="range" id="creatureSize" min="0.5" max="2" step="0.1" value="1"></label><br>
         <button onclick="applyChanges()">Apply</button>
     </div>
+      <canvas id="gameCanvas"></canvas>
+
     <script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r134/three.min.js"></script>
     <script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/r134/examples/js/loaders/GLTFLoader.js"></script>
     <script src="{{ url_for('static', filename='game.js') }}"></script>