docs | Move component docs to component folders

[castastrophe]

I'd suggest moving these files to the component folder and using the scripts/build-docs.sh to copying it over. At least then we're managing the content at the source.

Let's also add this to the generator after moving it so that new components come with this template started for them.

Originally posted by @castastrophe in #1421 (comment)

[castastrophe]

https://www.11ty.dev/docs/pagination/