Improve Crunchyroll troch Thomas Tavernier

Improve Crunchyroll can:
- Make the video player bigger (2 mods)
- Take all window in fullscreen
- Skipping's buttons/shortcut for intros, recaps, outros... (buttons with time in it come from this extension and are subtitles based, won't be flawless, the others are native)
- Add integration options with MyAnimeList and AniList
- Add the broadcast date of the next episode
- Control video playback speed in the existing player settings
- Mark episode/entire series as watched/not watched
- Blur or hide runner thumbnail
- Hide scrollbar for a better immersion
- Hide player dim screen
- Hide subtitles
- Hide play pause button
- Hide player UI options & shortcuts
- Hide banner after last episode
- Disable NumPad
- Add fast backward/forward buttons
- Add fast backward/forward shortcuts
- Add video playback speed shortcuts
- Open header menu on hover option
- Add Picture-in-Picture button (no subtitles)
- Maximize on double-click option
- Each features can be turn on/off
- Backup/reset settings

New:
- Next/Previous episode shortcuts

Support new version of Crunchyroll.
Feedbacks are welcomed!
Translation are made with google translate, it may contains errors.

Extension name and popup inspired by Improve YouTube extension!