Video hotkeys plugin

Adds playback hotkeys to videos on any site. The standard controls (seek, volume, play/pause) only kick in when the page doesn't already handle them, so they never fight a site's own shortcuts.

] - speed up [ - slow down f - toggle fullscreen

→ - seek forward 5s ← - seek back 5s ↑ - volume up ↓ - volume down space / enter - play / pause c - toggle captions