fix: enable xdg user directories

I forgot to enable it lol
Have been confused why it's not working properly
welp

feat: update obsidian

feat: add nixpkgs-stable registry input

feat: disable nix-index integration to speed up shell

feat: pin channels and registry

feat: add auto regenerated nix-index-database

chore: update to nixos-unstable

feat: use sequence detector + my mpris-ctl for mpris

feat: add email support

Adds uni email to thunderbird

feat: use user packages instead of global

feat: add default applications

feat: change user directories

feat: add Firefox with extensions

feat: add bluetooth manager

feat: disable gnome and make sure everything works

feat: add qtile config

fix: correctly enable mpris-proxy

chore: cleanup commented programs

feat: changes for bluetooth

chore: minor updates