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* Remove outdated or internal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-screensaver

@@ -1,6 +1,6 @@
 #!/bin/bash
 
-# Run the Omarchy screensaver using random effects from TTE.
+# omarchy:summary=Run the Omarchy screensaver using random effects from TTE.
 
 screensaver_in_focus() {
   hyprctl activewindow -j | jq -e '.class == "org.omarchy.screensaver"' >/dev/null 2>&1