feat: add plexist

https://github.com/Gyarbij/Plexist
Closes #30

README.md

@@ -83,6 +83,7 @@
 - [Omegabrr](https://github.com/autobrr/omegabrr) - Transform monitored shows and movies from the arrs into autobrr filters.
 - [Overseerr](https://overseerr.dev/) - Request management and media discovery tool for the Plex ecosystem.
 - [Plex Meta Manager](https://github.com/meisnate12/Plex-Meta-Manager) - Plex Meta Manager is an open source Python 3 project that has been designed to ease the creation and maintenance of metadata, collections, and playlists within a Plex Media Server.
+- [Plexist](https://github.com/Gyarbij/Plexist) - An application for recreating Spotify and Deezer playlist in Plex.
 - [Posterr](https://github.com/petersem/posterr) - A digital poster app for Plex, Sonarr, Radarr, and Readarr.
 - [Profilarr](https://github.com/santiagosayshey/Profilarr) - Import, Export & Sync Profiles & Custom Formats via Radarr / Sonarr API.
 - [Prunerr](https://github.com/rpatterson/prunerr) - Perma-seed Servarr media libraries.