feat(websocket)!: Implement WebSocket connection and event handling

knockoutwhistweb/app/views/mainmenu/creategame.scala.html

@@ -27,4 +27,7 @@
             <div class="btn btn-success" onclick="createGameJS()">Create Game</div>
         </div>
     </div>
-</main>
+</main>
+    <script>
+            disconnectWebSocket();
+    </script>

knockoutwhistweb/app/views/mainmenu/rules.scala.html

@@ -175,3 +175,6 @@
             </div>
         </div>
     </main>
+<script>
+        disconnectWebSocket();
+</script>