[hub] sync multiple image urls

- using a simple multiselect currently

erpnext/hub_node/data_migration_mapping/item_to_hub_item/__init__.py

@@ -19,6 +19,7 @@ def pre_process(doc):
 
 	if cached_details:
 		doc.hub_category = cached_details.hub_category
+		doc.image_list = cached_details.image_list
 
 	return doc
 

erpnext/hub_node/data_migration_mapping/item_to_hub_item/item_to_hub_item.json

@@ -24,10 +24,20 @@
    "local_fieldname": "image", 
    "remote_fieldname": "image"
   }, 
+  {
+   "is_child_table": 0, 
+   "local_fieldname": "image_list", 
+   "remote_fieldname": "image_list"
+  }, 
   {
    "is_child_table": 0, 
    "local_fieldname": "item_group", 
    "remote_fieldname": "item_group"
+  }, 
+  {
+   "is_child_table": 0, 
+   "local_fieldname": "hub_category", 
+   "remote_fieldname": "hub_category"
   }
  ], 
  "idx": 1, 
@@ -35,7 +45,7 @@
  "mapping_name": "Item to Hub Item", 
  "mapping_type": "Push", 
  "migration_id_field": "hub_sync_id", 
- "modified": "2018-08-01 16:37:09.170546", 
+ "modified": "2018-08-19 22:20:25.727581", 
  "modified_by": "Administrator", 
  "name": "Item to Hub Item", 
  "owner": "Administrator",