feat 协议移动到Public

Public/Proto/ServerClient/sources/define.proto

@@ -0,0 +1,16 @@
+syntax = "proto3";
+
+option go_package = "common/proto/sc/sc_pb";
+import "sc_common.proto";
+
+enum MessageID {
+  MESSAGE_ID_INVALID = 0;
+  MESSAGE_ID_ENTER_INSTANCE = 1; // 进入副本
+  MESSAGE_ID_ACTION = 2; // 指令
+  MESSAGE_ID_POSITION = 3; // 位置更新
+}
+
+message Message {
+  MessageID ID = 1;
+  bytes Payload = 2;
+}