add 新增远程连接，实现多人游戏

Scripts/Lib/RPMessage.cs

@@ -0,0 +1,33 @@
+using Godot;
+using Godot.Collections;
+
+namespace RPPackage {
+public class RPMessage
+{
+    public string Type { get; set; }
+    public string Cmd { get; set; }
+    public Dictionary Data { get; set; }
+    
+    public string Uid { get; set; }
+    public string Token { get; set; }
+    public string Code { get; set; }
+    public Dictionary ToDictionary()
+    {
+        var dict = new Dictionary();
+        if (Type != null)
+            dict.Add("type", Type);
+        if (Cmd != null)
+            dict.Add("cmd", Cmd);
+        if (Data != null)
+            dict.Add("data", Data);
+        
+        if (Uid != null)
+            dict.Add("uid", Uid);
+        if (Token != null)
+            dict.Add("token", Token);
+        if (Code != null)
+            dict.Add("code", Code);
+        return dict;
+    }
+}
+}