Provide out of the box `fetch` HttpOverride

[invertase]

Provide out of the box `fetch` HttpOverride

[Ehesp]

There is an example on fetch in the documentation.

Other than that, it might be worth creating a new issue with a code example of what causes this error

[MichealReed]

Curious how I can use this update, on supabase functions 0.0.2+1 I'm seeing

Error: Dart library 'dart:html' is not available on this platform.
import 'dart:html' show Blob, FormData, UrlSearchParams;
       ^
Info: The unavailable library 'dart:html' is imported through these packages:

    package:supabase_edge_functions_example => package:dart_openai => package:fetch_client => package:fetch_api => dart:html