IMDb-Sort-Episodes-By-Rating per Alexis Drain

[4/27/2024] Update: extension now works with all page languages.
[12/10/2023] Update: Extension now works with the new IMDb redesign.

Add a button to sort tv show episodes by rating on IMDb.com
This plugin works on a page like this (Malcolm in the Middle season 4 page):
https://www.imdb.com/title/tt0212671/episodes?season=4&ref_=tt_eps_sn_4