feat(game)!: Add winner display and return to lobby functionality

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

@@ -1,6 +1,5 @@
 @(user: Option[model.users.User])
 
-@main("Create Game") {
 @navbar(user)
 <main class="lobby-background flex-grow-1">
     <div class="w-25 mx-auto">
@@ -28,5 +27,4 @@
             <div class="btn btn-success" onclick="createGameJS()">Create Game</div>
         </div>
     </div>
-</main>
-}
+</main>

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

@@ -23,8 +23,8 @@
                             <a class="nav-link active" href="@routes.MainMenuController.rules()">Rules</a>
                         </li>
                     </ul>
-                    <form class="navbar-nav me-auto mb-2 mb-lg-0" method="post" action="@routes.MainMenuController.joinGame()">
-                        <input class="form-control me-2" type="text" placeholder="Enter GameCode" name="gameId" aria-label="Join Game"/>
+                    <form class="navbar-nav me-auto mb-2 mb-lg-0" onsubmit="joinGame(); return false;">
+                        <input class="form-control me-2" type="text" placeholder="Enter GameCode" id="gameId" aria-label="Join Game"/>
                         <button class="btn btn-outline-success" type="submit">Join</button>
                     </form>
                 </div>