Update proto definitions

yandexmarket/products.proto

@@ -77,8 +77,13 @@ message GetProductsResponse {
       float height = 3;
       float weight = 4;
     }
-
+    message BasicPrice{
+      float value = 1;
+    }
     int64 market_category_id = 1;
     WeightDimensions weight_dimensions = 2;
+    BasicPrice basic_price = 3;
+    string offer_id = 4;
   }
+  repeated Offer offers = 1;
 }