实现用户订单、在线支付接口（商业版可用）

pkg/rpc/protos/models/model_order_method.proto

@@ -0,0 +1,15 @@
+syntax = "proto3";
+option go_package = "./pb";
+
+package pb;
+
+// 订单支付方式
+message OrderMethod {
+	int64 id = 1;
+	string name = 2;
+	string code = 3;
+	string description = 4;
+	string url = 5;
+	string secret = 6;
+	bool isOn = 7;
+}