restructure system configuration

system/modules/programs/greetd.nix

@@ -0,0 +1,36 @@
+{ pkgs, ... }:
+let
+  tuigreet = "${pkgs.greetd.tuigreet}/bin/tuigreet";
+in
+{
+  services.greetd = {
+    enable = true;
+    settings = {
+      default_session = {
+        command = "${tuigreet} --time --remember --cmd Hyprland";
+        user = "greeter";
+      };
+    };
+  };
+
+  # this is a life saver.
+  # literally no documentation about this anywhere.
+  # might be good to write about this...
+  # https://www.reddit.com/r/NixOS/comments/u0cdpi/tuigreet_with_xmonad_how/
+  systemd.services.greetd.serviceConfig = {
+    Type = "idle";
+    StandardInput = "tty";
+    StandardOutput = "tty";
+    StandardError = "journal"; # Without this errors will spam on screen
+    # Without these bootlogs will spam on screen
+    TTYReset = true;
+    TTYVHangup = true;
+    TTYVTDisallocate = true;
+  };
+
+  #environment.etc."greetd/environments".text = ''
+  #  Hyprland
+  #  fish
+  #  bash
+  #'';
+}

system/modules/programs/vm.nix

@@ -0,0 +1,28 @@
+{config, pkgs, ... }:
+
+{
+  environment.systemPackages = with pkgs; [
+    virt-manager
+    virt-viewer
+    spice 
+    spice-gtk
+    spice-protocol
+    win-virtio
+    win-spice
+    gnome.adwaita-icon-theme
+  ];
+  
+  virtualisation = {
+    libvirtd = {
+      enable = true;
+      qemu = {
+        swtpm.enable = true;
+        ovmf.enable = true;
+        ovmf.packages = [ pkgs.OVMFFull.fd ];
+      };
+    };
+    spiceUSBRedirection.enable = true;
+  };
+  services.spice-vdagentd.enable = true;
+}
+