docs/lima: add an initial page for Lima

This is a cleaned up and updated version of the readme page for Lima
that was until now being maintained separately.
Let's move it in-tree so it is maintained along with the pages for
other similar drivers.

Signed-off-by: Erico Nunes <nunes.erico@gmail.com>
Reviewed-by: Erik Faye-Lund <erik.faye-lund@collabora.com>
Reviewed-by: Vasily Khoruzhick <anarsoul@gmail.com>
Reviewed-by: Eric Anholt <eric@anholt.net>
Reviewed-by: Qiang Yu <yuq825@gmail.com>
Reviewed-by: Andreas Baierl <ichgeh@imkreisrum.de>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/10406>
3 files changed