Add omarchy CLI (#5477)

* Add omarchy CLI

* Remove outdated or internal

* Add bash completions for command

* Add omarchy command documentation

* Add missing docs

* Correct to what's now right

* Fix tests

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Co-authored-by: David Heinemeier Hansson <david@hey.com>

bin/omarchy-cmd-missing

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Returns true if any of the commands passed in as arguments are missing on the system.
+# omarchy:summary=Check whether any required commands are missing
 
 for cmd in "$@"; do
   if ! command -v "$cmd" &>/dev/null; then