docs: add catalog cli help documentation (#1793) (#1794)

* docs: add catalog cli help documentation (#1793)

* Fix code block formatting in user guide

Corrected code block syntax for CLI commands in user guide.

* Apply suggestions from code review

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

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Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>