Broken link to Astro next in README

[SteveALee]

https://next.docs.astro.build/getting-started = 404

I couldn't figure out what it should be - sorry

[one-aalam]

Thank you @SteveALee.

It used to host what will come next in Astro earlier, or the docs for astro@next. The linked URL is not available anymore.