choom: add page

[vitorhcl]

• The page(s) are in the correct platform directories: common, linux, osx, windows, sunos, android, etc.
• The page(s) have at most 8 examples.
• The page description(s) have links to documentation or a homepage.
• The page(s) follow the content guidelines.
• The PR title conforms to the recommended templates.
• Version of the command being documented (if known): util-linux 2.39.3

[cyqsimon]

Should we use long form options & flags for simple cases like this?

[kbdharun]

LGTM, Thanks for your contribution.

Should we use long form options & flags for simple cases like this?

Short options are fine here, IG we can leave it as it is or if required we can use the {{-s|--long}} format to highlight both of them.

[gutjuri]

Thanks!