feat(communication/slack): slack-dev-mode script (raycast#910)

* feat(communication/slack): slack-dev-mode script

* fix(slack-dev-mode): don't include Slack in the title

Author: nysos3

commands/communication/slack/slack-dev-mode.sh

@@ -0,0 +1,17 @@
+#!/bin/bash
+
+# Required parameters:
+# @raycast.schemaVersion 1
+# @raycast.title Launch Dev Mode
+# @raycast.mode silent
+
+# Optional parameters:
+# @raycast.icon images/slack-logo.png
+# @raycast.packageName Slack
+
+# Documentation:
+# @raycast.description Open Slack with the Developer Menu enabled. ⌘⌥I to access the Developer Menu. If you find it's not working, quit Slack and run this command again.
+# @raycast.author Cody Carrell
+# @raycast.authorURL https://raycast.com/sourcecody
+
+SLACK_DEVELOPER_MENU=true open /Applications/Slack.app