Volume fixes for Facebook and Instagram

If you are tired of Facebook video "screamers", want to make sure next video you watch persist previous video volume level - this extension for you. * Preserve volume level between videos and sessions. * Force ads to play with the same volume level as the videos. * Remove Mute from videos at "Messages" area. * Fixes Facebook native volume up/down with simultaneous scroll functionality. * Using ease volume change for fine tuning when using keyboard shortcuts. * Change volume level with configurable keyboard shortcuts. * Alt + Shift + Up = Volume Up * Alt + Shift + Down = Volume Down * Alt + Shift + M = Toggle Mute It is open source Feel free to check it here: https://github.com/ttoan12/social-network-video-volume-fix