Update proto definitions

wb/products.proto

@@ -18,10 +18,27 @@ message Product {
     string techSize = 3;
     string wbSize = 4;
   }
+  message Characteristic{
+    int64 id = 1;
+    string name = 2;
+    bytes value = 3;
+  }
+  message Photo {
+    string big = 1;
+  }
+  message Dimensions {
+    int64 length = 1;
+    int64 width = 2;
+    float weightBrutto = 3;
+    bool isValid = 4;
+  }
   int64 nmID = 1;
   int64 subjectID = 2;
   string vendor_code = 3;
   repeated Size sizes = 4;
+  repeated Characteristic characteristics = 5;
+  repeated Photo photos = 6;
+  Dimensions dimensions = 7;
 }
 message GetProductsResponse {
   repeated Product products = 1;