Feature Request - Expand poster file name formatting for Local Media Asset scanning of Movies

Hello,

To assist those migrating from an XMBC/KODI setup, it would be extremely helpful to accept all the XBMC/KODI file naming conventions for movie posters, fanart and subtitles. http://kodi.wiki/view/Movie_artwork

For my purposes, specifically the poster format: [NameOfVideoFile]-poster.jpg

Early 2021 clean-up: implemented