Migrate away from astro-integration-kit

[🐞] Running a build results in variable content hash on generated assets

[🐞] EACCES: permission denied, mkdir '/dist'

[🐞] Qwik integration doesn't respect Astro config build.assetsPrefix

[🐞] `@qwikdev/astro` doesn't work with `deno install`

[🐞] New preloader `/build` folder not cached

[🐞] Document Ready visible tasks do not fire with Client Router

[🐞]Astro Actions in Qwik Astro not working in Netlify and other adapters

[🐞]static builds failing Vercel

[🐞] Confusing `NoMatchingRenderer` failure with some components crossing Astro/Qwik component boundary