Implement stage skipping

nksrv/LobbyServer/Msgs/Liberate/GetLiberateData.cs

@@ -0,0 +1,25 @@
+using nksrv.Utils;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace nksrv.LobbyServer.Msgs.Liberate
+{
+    [PacketPath("/liberate/get")]
+    public class GetLiberateData : LobbyMsgHandler
+    {
+        protected override async Task HandleAsync()
+        {
+            var req = await ReadData<ReqGetLiberateData>();
+            var user = GetUser();
+
+            var response = new ResGetLiberateData() { };
+
+            // TODO
+
+            await WriteDataAsync(response);
+        }
+    }
+}