prettier fixes

apps/docs/pages/guides/database/extensions/index_advisor.mdx

@@ -8,7 +8,6 @@ export const meta = {
 
 [Index advisor](https://github.com/supabase/index_advisor) is a Postgres extension for recommending indexes to improve query performance.
 
-
 For example:
 
 ```sql
@@ -23,7 +22,6 @@ from
 (1 row)
 ```
 
-
 Features:
 
 - Supports generic parameters e.g. `$1`, `$2`