Add "Barry Roodt" to list of contributors (#47673)

## 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


<!-- This is an auto-generated comment: release notes by coderabbit.ai
-->

## Summary by CodeRabbit

* **Documentation**
* Updated the site’s public people listing to include Barry Roodt in the
team section.

<!-- end of auto-generated comment: release notes by coderabbit.ai -->

apps/docs/public/humans.txt

@@ -32,6 +32,7 @@ Artur Zakirov
 Artyom Borissov
 Aziz Quadri
 Barco Fourie
+Barry Roodt
 Beng Eu
 Benjamin Coenen
 Bo Lu