feat: implement PenguinCard

src/main/java/emu/nebula/server/handlers/HandlerActivityPenguinCardSettleReq.java

@@ -0,0 +1,23 @@
+package emu.nebula.server.handlers;
+
+import emu.nebula.net.NetHandler;
+import emu.nebula.net.NetMsgId;
+import emu.nebula.proto.ActivityPenguinCardLevelSettle.ActivityPenguinCardSettleReq;
+import emu.nebula.net.HandlerId;
+import emu.nebula.net.GameSession;
+
+@HandlerId(NetMsgId.activity_penguin_card_level_settle_req)
+public class HandlerActivityPenguinCardSettleReq extends NetHandler {
+
+    @Override
+    public byte[] handle(GameSession session, byte[] message) throws Exception {
+        // Parse request proto
+        var req = ActivityPenguinCardSettleReq.parseFrom(message);
+
+        // Get activity
+
+        // Encode and send
+        return session.encodeMsg(NetMsgId.activity_penguin_card_level_settle_succeed_ack);
+    }
+
+}