feat(entity): 新增游戏核心实体类(Client/Server/Player)并调整.gitignore

common/data/entity/Client.go

@@ -0,0 +1,15 @@
+package entity
+
+type ClientData struct {
+	IsCrossDomain bool    //是否跨域过
+	player        *player //客户实体
+}
+
+func NewClientData() *ClientData {
+	cd := &ClientData{
+		IsCrossDomain: false,
+		player:        nil,
+	}
+	return cd
+
+}