How to install Jellyfin and Jellyseerr using Overlord

After a hard day, you get home, turn on the TV, open Netflix, and watch a movie. However, you're an avarage IT nerd who needs to work a lot harder with your computer (right?), so you come to the conclusion that there's this amazing project called Jellyfin that lets you watch movies and TV shows (and even stream music!), but you realize you're not the only user consuming instance: your little…