nix: use substituters for both trusted and normal

displaylink: init

tidal: init

feat: tio

feat: tlp

feat: remove elvish and carapace

feat: gnupg

feat: ssh-agent

feat: git and lazygit

feat: home-manager pkgs config

feat: anti-lockout

feat: obs

feat: pass and restructure files

feat: tailscale

feat: greetd

feat: foot

feat: gaming and friends

feat: unfree

feat: nvim

feat: audio