Added some more Mac-specific apps / installs

Signed-off-by: Marcus Noble <github@marcusnoble.co.uk>

os-specific/darwin/home/RaycastScripts/litra-glow-off.sh

@@ -0,0 +1,16 @@
+#!/bin/bash
+
+# Required parameters:
+# @raycast.schemaVersion 1
+# @raycast.title Litra Glow Off
+# @raycast.mode silent
+
+# Optional parameters:
+# @raycast.icon ⚫️
+
+# Documentation:
+# @raycast.description Turn off Litra Glow light
+
+cd ~/.bin/
+./litractl off
+