add CommandResponseEvent

src/main/java/emu/grasscutter/command/CommandHandler.java

@@ -2,6 +2,8 @@ package emu.grasscutter.command;
 
 import emu.grasscutter.Grasscutter;
 import emu.grasscutter.game.player.Player;
+import emu.grasscutter.server.event.game.CommandResponseEvent;
+import emu.grasscutter.server.event.types.ServerEvent;
 
 import java.util.List;
 
@@ -19,6 +21,8 @@ public interface CommandHandler {
         } else {
             player.dropMessage(message);
         }
+        CommandResponseEvent event = new CommandResponseEvent(ServerEvent.Type.GAME,player, message);
+        event.call();
     }
 
     /**

src/main/java/emu/grasscutter/server/event/game/CommandResponseEvent.java

@@ -0,0 +1,24 @@
+package emu.grasscutter.server.event.game;
+
+import emu.grasscutter.game.player.Player;
+import emu.grasscutter.server.event.types.GameEvent;
+import emu.grasscutter.server.event.types.ServerEvent;
+
+public class CommandResponseEvent extends ServerEvent {
+    private String message;
+    private Player player;
+
+    public CommandResponseEvent(Type type,  Player player,String message) {
+        super(type);
+        this.message = message;
+        this.player = player;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+
+    public Player getPlayer() {
+        return player;
+    }
+}