NixOS - Part 2

[clemak27]

• new wallpaper (-> lets do that with NixOS - Part 3 #11)
• automate as much of setup as possible automated some things, leave the rest for now
  • check if kwin scripts can be instaleld with nix bismuth has a kcm now, so nope i guess?, also latte-dock is broken now :(
    - [ ] create user.nix and bootloader.nix during setup (with uuid and initPW)
    - [ ] create programs.nix with sys.environemtn from general
    - [ ] update README to import user.nix, bootloader.nix and programs.nix
    - [ ] copy user.nix, bootloader.nix and programs.nix to repo after first reboot
    - [x] yeet secrets.nix and move wg-config to wireguard.nix
• move parts of zenix config to general folder
• move home.nix around?
• automated garbarge collection
• update update_nix helper
• create issue/todo to yeet wireguard.nix https://nixos.wiki/wiki/Comparison_of_secret_managing_schemes
• create issue/todo for automatic updates