removes three extensions from the list on the Postgres Extensions docs
page because we do not expose those extensions to users. extensions
removed are: amcheck, pg_surgery, pg_freespacemap
also adds a small cosmetic change to clarify that "public" refers to the
`public` schema on the same documentation page
## I have read the
[CONTRIBUTING.md](https://github.com/supabase/supabase/blob/master/CONTRIBUTING.md)
file.
YES
## What kind of change does this PR introduce?
docs update
## What is the current behavior?
extensions are listed at
https://supabase.com/docs/guides/database/extensions that will result in
permissions errors should users try to install them themselves, as they
require superuser access to install
## What is the new behavior?
removes those items from the list
## Additional context
<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->
## Summary by CodeRabbit
* **Documentation**
* Updated extensions overview documentation with improved formatting for
better readability
* **Chores**
* Removed three extensions from the available extensions metadata
<!-- end of auto-generated comment: release notes by coderabbit.ai -->
* fix: rewrite relative URLs when syncing to GitHub discussion
Relative URLs back to supabse.com won't work in GitHub discussions, so
rewrite them back to absolute URLs starting with https://supabase.com
* fix: replace all supabase urls with relative urls
* chore: add linting for relative urls
* chore: bump linter version
* Prettier
---------
Co-authored-by: Chris Chinchilla <chris.ward@supabase.io>
lch-supa