Add description to card metadata

This metric wrap the official scoring script for version 1 of the Contract
Understanding Atticus Dataset (CUAD).
Contract Understanding Atticus Dataset (CUAD) v1 is a corpus of more than 13,000 labels in 510
commercial legal contracts that have been manually labeled to identify 41 categories of important
clauses that lawyers look for when reviewing contracts in connection with corporate transactions.

README.md

@@ -1,6 +1,6 @@
 ---
 title: CUAD
-emoji: 🤗 
+emoji: 🤗
 colorFrom: blue
 colorTo: red
 sdk: gradio
@@ -8,10 +8,22 @@ sdk_version: 3.0.2
 app_file: app.py
 pinned: false
 tags:
-- evaluate
-- metric
----
+  - evaluate
+  - metric
+description: >-
+  This metric wrap the official scoring script for version 1 of the Contract
+
+  Understanding Atticus Dataset (CUAD).
+
+  Contract Understanding Atticus Dataset (CUAD) v1 is a corpus of more than
+  13,000 labels in 510
 
+  commercial legal contracts that have been manually labeled to identify 41
+  categories of important
+
+  clauses that lawyers look for when reviewing contracts in connection with
+  corporate transactions.
+---
 # Metric Card for CUAD
 
 ## Metric description