Enable the Dataset Viewer

...by configuring which files to show.

we can show the content of the Parquet files only, since the Viewer doesn't support NumPy files at the moment.

README.md

@@ -1,5 +1,8 @@
 ---
 license: cc-by-4.0
+configs:
+- config_name: no_embeddings
+  data_files: "**/*.parquet"
 ---
 
 ## DataComp XLarge Pool