Update README.md (#6)

- Update README.md (691a017d0e731d430919ebbf5c6442eea2954986)


Co-authored-by: Ju Huo <huoju@users.noreply.huggingface.co>

README.md

@@ -46,6 +46,20 @@ Based on the [wikipedia dumps](https://dumps.wikimedia.org/). Please check this
 - created_at: The creation time of the chunk.
 - updated_at: The update time of the chunk.
 
+## Prerequisite
+
+PostgreSQL 17 with extensions: [vectorchord](https://github.com/tensorchord/VectorChord) and [pg_search](https://github.com/paradedb/paradedb/tree/dev/pg_search) 
+
+The easiest way is to run it use our [Docker image](), or build your [own image]().
+
+Ensure extensions are enabled, connect to the database using the psql, and run the following SQL:
+
+```sql
+CREATE EXTENSION IF NOT EXISTS vchord CASCADE;
+CREATE EXTENSION IF NOT EXISTS pg_search CASCADE;
+CREATE EXTENSION IF NOT EXISTS vectors CASCADE;
+```
+        
 ## Uses
 
 This dataset is available for a wide range of applications.