Implement trial activities

src/main/java/emu/nebula/game/GameContext.java

@@ -8,6 +8,7 @@ import java.util.concurrent.TimeUnit;
 
 import emu.nebula.GameConstants;
 import emu.nebula.Nebula;
+import emu.nebula.game.activity.ActivityModule;
 import emu.nebula.game.gacha.GachaModule;
 import emu.nebula.game.player.PlayerModule;
 import emu.nebula.game.scoreboss.ScoreBossModule;
@@ -27,6 +28,7 @@ public class GameContext implements Runnable {
     private final PlayerModule playerModule;
     private final GachaModule gachaModule;
     private final TutorialModule tutorialModule;
+    private final ActivityModule activityModule;
     private final ScoreBossModule scoreBossModule;
     
     // Game loop
@@ -43,6 +45,7 @@ public class GameContext implements Runnable {
         this.playerModule = new PlayerModule(this);
         this.gachaModule = new GachaModule(this);
         this.tutorialModule = new TutorialModule(this);
+        this.activityModule = new ActivityModule(this);
         this.scoreBossModule = new ScoreBossModule(this);
         
         // Run game loop