Add metadata for dataset used to train model

This is a small PR to add the dataset used to train your model to the YAML metadata section. This metadata makes the link between the model and the dataset easy to see on the Hugging Face Hub.

README.md

@@ -21,8 +21,11 @@ model-index:
       type: f_score
       value: 0.9542229703
 widget:
-- text: "SELECT shipping FROM users WHERE shipping = '201 Thayer St Providence RI 02912'"
-
+- text: >-
+    SELECT shipping FROM users WHERE shipping = '201 Thayer St Providence RI
+    02912'
+datasets:
+- beki/privy
 ---
 | Feature | Description |
 | --- | --- |