增加套餐相关代码

pkg/rpc/protos/models/model_user_plan.proto

@@ -0,0 +1,19 @@
+syntax = "proto3";
+option go_package = "./pb";
+
+package pb;
+
+import "models/model_user.proto";
+import "models/model_plan.proto";
+
+message UserPlan {
+	int64 id = 1;
+	int64 userId = 2;
+	int64 planId = 3;
+	bool isOn = 4;
+	string dayTo = 5;
+
+	User user = 30;
+	Plan plan = 31;
+}
+