Gqlmod-github

* Add `GitHubApp.for_installation()`
* Rewrote to use the new gqlmod type analysis, hopefully resulting in more robust preview generation

Bugfixes

Additional bugfixes

Botched that release

Adds `github-async` and `github-sync` providers as well as a `github.app_async` module.

A collection of fixes around GitHub Applications and their authentication/bootstrap process.

All of it is minor typos, forgotten arguments, etc.