feat(ui): enhance game UI with responsive design and new components

43 [Subtask] UI looks better and improved

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

@@ -3,8 +3,8 @@
 @main("Create Game") {
 @navbar(user)
 <main class="lobby-background flex-grow-1">
-    <div class="w-50 mx-auto">
-        <div class="w-50 mx-auto">
+    <div class="25 mx-auto">
+        <div class="mt-3">
             <label for="lobbyname" class="form-label">Lobby-Name</label>
             <input type="text" class="form-control" id="lobbyname" name="lobbyname" placeholder="Lobby 1" required>
         </div>