Refactor: Initial step

- Added library for common functions
- Moved machines/ to hosts/
- Automise adding new hosts to the flake

hosts/workstation/default.nix

@@ -0,0 +1,86 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [
+    ./hardware-configuration.nix
+    ./persist.nix
+    ../../packages/sets/basic.nix
+    ../../packages/wm/hyprland.nix
+    ../../users/hu/user.nix
+    ../../packages/sets/security.nix
+  ];
+
+  boot.loader.efi.canTouchEfiVariables = true;
+  boot.loader.grub = {
+    enable = true;
+    efiSupport = true;
+    device = "nodev";
+    gfxmodeEfi = "1920x1080";
+  };
+  boot.kernelPackages = pkgs.linuxPackages_xanmod_latest;
+  boot.supportedFilesystems = [ "btrfs" "xfs" ];
+
+  networking = {
+    hostName = "workstation";
+    enableIPv6 = false;
+    nameservers = [ "9.9.9.9" ];
+    defaultGateway = "192.168.2.1";
+    interfaces.enp34s0.ipv4.addresses = [{
+      address = "192.168.2.68";
+      prefixLength = 24;
+    }];
+  };
+
+  time.timeZone = "Europe/Berlin";
+
+  i18n.defaultLocale = "en_US.UTF-8";
+  console = {
+    font = "Lat2-Terminus16";
+    keyMap = "uk";
+    # useXkbConfig = true;
+  };
+
+  nixpkgs.config.allowUnfree = true;
+  services.xserver.videoDrivers = [ "nvidia" ];
+  hardware = {
+    graphics = {
+      enable = true;
+      enable32Bit = true;
+    };
+    nvidia = {
+      modesetting.enable = true;
+      package = config.boot.kernelPackages.nvidiaPackages.beta;
+    };
+  };
+
+  programs.mtr.enable = true;
+  programs.gnupg.agent = {
+    enable = true;
+    enableSSHSupport = true;
+  };
+
+  security.rtkit.enable = true;
+  services.pipewire = {
+    enable = true;
+    alsa = {
+      enable = true;
+      support32Bit = true;
+    };
+    pulse.enable = true;
+    jack.enable = true;
+  };
+
+  nix = {
+    extraOptions = ''
+      experimental-features = nix-command flakes
+    '';
+  };
+
+  networking.firewall = {
+    allowedTCPPorts = [ 25565 ];
+    allowedUDPPorts = [ 25565 ];
+  };
+
+  system.stateVersion = "23.11";
+}
+