Description

Let users edit their profile's username and upload an avatar to Supabase Storage via /profile edit page.

Suggested solution

Integrate Supabase Storage upload for avatars; allow username updates and persist changes in the profiles table.

Alternative

Consider additional fields and edit options for advanced profile management.

Additional context

Gives users control over their profile details and image.

Validations

• Follow our Code of Conduct
• Read the Contributing Guidelines.
• Read the docs.
• Check that there isn't already an issue that request the same feature to avoid creating a duplicate.