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* Remove outdated or internal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-battery-present

@@ -1,7 +1,6 @@
 #!/bin/bash
 
-# Returns true if a battery is present on the system.
-# Used by the battery monitor and other battery-related checks.
+# omarchy:summary=Returns true if a battery is present on the system.
 
 for bat in /sys/class/power_supply/BAT*; do
   [[ -r $bat/present ]] &&