Major Release

• switch from mediaplayer to exoPlayer for better compatibility
• Fix notification not closing in many devices, Also added exit option in setting
• Queue can now be reordered
• Save queue as Playlist and Append to Playlist button added in queue
• Added button to add to Queue in track detail
• Next Track preload 25 seconds before end of current track, to have seamless transition/gapless loading
• Many Bug Fixes
• Improved Notification controls, audio focus
• Fix Dark Theme Searchbar
• Fix Equalizer
• Added About and License Page