Volume key - play next/previous with pocket mode

1. Automate Community
2. Business

[Non-premium] ✔
A simple flow to play next/previous when press volume key.
update to use fake media button instead

📝note:
◽Only work when in pocket mode, turn on the screen to change volume.
◽Work by detect change in music volume, won't work at max volume.
◽ Use less block than other available flow.