Improved punctuation in README (#33040)

Enhanced punctuation in the README. These changes enhance the document’s clarity and maintain a uniform structure.

README.md

@@ -52,10 +52,10 @@ You can also [self-host](https://supabase.com/docs/guides/hosting/overview) and
 
 - [Postgres](https://www.postgresql.org/) is an object-relational database system with over 30 years of active development that has earned it a strong reputation for reliability, feature robustness, and performance.
 - [Realtime](https://github.com/supabase/realtime) is an Elixir server that allows you to listen to PostgreSQL inserts, updates, and deletes using websockets. Realtime polls Postgres' built-in replication functionality for database changes, converts changes to JSON, then broadcasts the JSON over websockets to authorized clients.
-- [PostgREST](http://postgrest.org/) is a web server that turns your PostgreSQL database directly into a RESTful API
+- [PostgREST](http://postgrest.org/) is a web server that turns your PostgreSQL database directly into a RESTful API.
 - [GoTrue](https://github.com/supabase/gotrue) is a JWT based API for managing users and issuing JWT tokens.
 - [Storage](https://github.com/supabase/storage-api) provides a RESTful interface for managing Files stored in S3, using Postgres to manage permissions.
-- [pg_graphql](http://github.com/supabase/pg_graphql/) a PostgreSQL extension that exposes a GraphQL API
+- [pg_graphql](http://github.com/supabase/pg_graphql/) a PostgreSQL extension that exposes a GraphQL API.
 - [postgres-meta](https://github.com/supabase/postgres-meta) is a RESTful API for managing your Postgres, allowing you to fetch tables, add roles, and run queries, etc.
 - [Kong](https://github.com/Kong/kong) is a cloud-native API gateway.