Configurable layout and user experience improvements for YouTube Music™ and YouTube™

New YouTube features and improvements

Adds a link to each YouTube embed iframe, in case the "Sign in to confirm you're not a bot" message pops up.

Changes all cover images on genius.com lyrics pages to their highest possible resolution

General purpose DOM/GreaseMonkey library that allows you to register listeners for when CSS selectors exist, intercept events, create persistent & synchronous data stores, modify the DOM more easily and much more