Converts the grid shortcode to use named arguments, and adds support for
a second "cols" argument for specifying grid size (3 by default).
Signed-off-by: David Karlsson <35727626+dvdksn@users.noreply.github.com>
Removes most of the registry docs, keeping only:
- How to set up a Docker Hub mirror
The canonical location for registry/distribution docs from now on is:
https://distribution.github.io/distribution/
Signed-off-by: David Karlsson <35727626+dvdksn@users.noreply.github.com>