Update flake (`neovim-nightly-overlay` is fixed)
Format all `.nix` files
Unify package/module argument order:
- `inputs`, `outputs`, `lib`, `pkgs`, `config`, ...
Move Jellyfin config to a `NixOS` module (first one, yay)
Add `direnv` to `reo101-shell` modules (was used, but not defined as wanted)
- TODO: make it optional (module config options)
Copy and impove `home-manager` module integration from `nix-on-darwin` for `nixos`
Add `homix` *server* with NVIDIA drivers, `wayland` + `river`, Jellyfin, etc.