zm: add page

[pixelcmtd]

• The page (if new), does not already exist in the repository.
• The page is in the correct platform directory (common/, linux/, etc.)
• The page has 8 or fewer examples.
• The PR title conforms to the recommended templates.
• The page follows the content guidelines.
• The page description includes a link to documentation or a homepage (if applicable).

[marchersimon]

Does this something have to do with lb? It might be good to add a See also: `lb` note here and one for zb in lb.md.

[pixelcmtd]

Does this something have to do with lb? It might be good to add a See also: `lb` note here and one for zb in lb.md.

Not anymore. zm1 was a fork of lb, but zm2 is written from scratch and only "inspired" by the way zm1 and lb work.

[marchersimon]

We often reference commands which do similar things, even though they don't have a common codebase.

[marchersimon]

Thanks @pixelcmtd