Update system to latest unstable and Linux 6.18.5
Changes
- Update pkgs to latest unstable (2026.01.19) and spkgs to 25.05
- Fix qt5 "end of life" and use `sddm qt5`
- Fix mpv config symlink
- Fix starship config
- Refactor `packages.nix`
- Rename `hardware.pulseaudio` to `services.pulseaudio`
- Use `qview` as a default image viewer
- Disable `qt` theme settings in `./shit/`. Stylix now works with Qt
- Enable `flatpak`, `grub OS prober`
- Install `kubernetes`, `godot`, `ldtk`, `adb`, `throne`, `amnezia`
- Update `neovim` to 0.11
- Delete `vscode.nix`, `imv.nix`, `git.nix`, `lynx.nix`
- Delete `mtr`, `ollama`, `pg-admin4`, `postgres-lsp`, `lynx`, `imv`, `feh`, `osu`, `gimp`
- Delete `rustup` and `driwio` cuz no binary cache
- Commented many packages
Buliway
356c37f179