add blurb.

formatting/reformat_json.py

@@ -58,6 +58,8 @@ def construct_json(dataset_name: str, data_card_data: dict, text_by_key: dict):
     summary = "Placeholder"
 
 
+  # Add summary blurb with loading script and link to GEM loader
+  summary =+f"\n\nYou can load the dataset via:\n```\nimport datasets\ndata = datasets.load_dataset('GEM/{dataset_name}')\n```\nThe data loader can be found [here](https://huggingface.co/datasets/GEM/{dataset_name})."
 
   new_json = {
       "name": dataset_name,