Update appcast.xml

Merge pull request #318 from Ebullioscopic/sneakpeekui

Release v2.0.0

Merge pull request #277 from Ebullioscopic/ui/fixes

Update ALPHA badge

Update Appcast and README

Update Appcast and build

Update Appcast

Update files

Merge pull request #52 from Ebullioscopic/feature/lock-screen

Feature/lock screen

Add reference image

Working Brightness and Volume HUDs

Add Brightness and Volume Indicators