updates the API docs to the lastest json doc

apps/reference/_api/intro.md

@@ -29,3 +29,8 @@ All API requests must be authenticated and made over HTTPS.
 
 The API is currently subject to our fair-use policy. In the future, are likely to introduce rate limits.
 All resources created via the API are subject to the pricing detailed on our [Pricing](https://supabase.com/pricing) pages.
+
+## Additional links
+
+- [OpenAPI Docs](https://api.supabase.com/api/v1)
+- Reporting bugs and issues: [github.com/supabase/supabase](https://github.com/supabase/supabase)