Add a webpage fullscreen button allowing you to watch playlist in fullscreen.
This script add a new button to change the video player to a Larger Player that use all the space. If you select the Larger Player, It will be keep between video until you deactivate it by clicking again on the button.
If you want a "true" fullscreen you can switch your browser in fullsreen mode (Press F11).
This allow you to watch playlist in fullscreen.
This script also try to set the video quality to 1080p. If you want to set an other quality you can change the value of "videoQuality".
Only tested with Tampermonkey on Chrome (Windows).
