Adds the following YouTube style playback controls:
[space]: pause / play the video m: mute / unmute the video [up arrow] / [down arrow]: increment / decrement the volume by 5% [left arrow] / [right arrow]: backward / forward by 5 seconds j / l: backward / forward by 10 seconds f: fullscreen [1]...[9]: skip to 10%...90% of the video [home]: seek to the start of video [end]: seek to the end of the video [s]: sync videos from multiple tabs
FAQ / Troubleshooting The playback controls aren't responding Refresh the page and it should start working again.
