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* Remove outdated or internal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

---------

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

bin/omarchy-launch-or-focus-webapp

@@ -1,7 +1,7 @@
 #!/bin/bash
 
-# Launch or focus on a given web app identified by the window-pattern.
-# Use by some default bindings, like the one for WhatsApp, to ensure there is only one instance of the application open.
+# omarchy:summary=Launch or focus on a given web app identified by the window-pattern.
+# omarchy:args=<window-pattern> <url-and-flags...>
 
 if (($# == 0)); then
   echo "Usage: omarchy-launch-or-focus-webapp [window-pattern] [url-and-flags...]"