add get card method

api/main.proto

@@ -36,6 +36,12 @@ service CRM {
       body: "order"
     };
   }
+  rpc GetCard(CardReq) returns (CardRsp) {
+    option (google.api.http) = {
+      post: "/card"
+      body: "items"
+    };
+  }
 }
 
 message GetCatalogReq {}
@@ -127,3 +133,23 @@ message OrderItem {
   int64 product_id = 1;
   int64 count = 2;
 }
+
+message CardItem {
+  int64 id = 1;
+  string article = 2;
+  string name = 3;
+  string uri = 4;
+  repeated string images = 5;
+  string unit = 8;
+  double inventory = 9;
+  int64 count = 10;
+  int64 amount = 11;
+}
+
+message CardReq {
+  repeated OrderItem items = 1;
+}
+
+message CardRsp {
+  repeated CardItem items = 1;
+}