Weilbytes’ Proxmox Discord Dark Theme for Stylus plugin.

This is not my code. For anyone using the Stylus plugin for Firefox, the below can be cut and paste for a Discord Dark theme for Proxmox PVE.  All credit goes to Weilbyte over on Github https://github.com/Weilbyte/PVEDiscordDark it’s just that his recent changes have somehow removed the ability to do it this way. And I