Add game answer functionality with form and view for user responses

game/templates/game/musikgame_detail.html

@@ -10,6 +10,9 @@
                href="{% yt_playlist musikgame %}"
                role="button"
                {% if musikgame.playlist_loading %}aria-busy="true"{% endif %}><i class="ri-youtube-fill"></i> Playlist</a>
+            <a target="_blank"
+               href="{% url "game_answer" musikgame.pk %}"
+               role="button"><i class="ri-play-list-2-fill"></i> Répondre</a>
         </p>
     {% endif %}
     <h2>