OSSW - Music player (Unreleased)

OSSW extension that integrates with Music player

ExtensionId: com.althink.android.ossw.plugins.musicplayer

Extension parameters:
- track - current track name
- album - current album
- artist - current artist
- state - current playback state (0 - is NOT playing, 1 - is playing)
- volume - current volume level
- muted - is sound muted (0 - no, 1 - yes)

Extension functions:
- playPause - play or pause depending on the current state
- play - play
- pause - pause current track
- stop - stop
- nextTrack - play next track
- prevTrack - play previous track
- volumeUp - increase volume by one level
- volumeDown - decrease volume by one level
- volumeMax - set max volume (100%)
- volumeMin - set min volume (0%)
- mute - mute sound
- unmute - unmute sound
- toggleMute - switch between mute/unmute