Create host-specific folder

hosts/prismo/configuration.nix

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+{ config, lib, pkgs, ... }:
+
+{
+  imports =
+    [
+      ./hardware-configuration.nix
+    ];
+
+
+  # Bootloader stuff
+  boot.loader.systemd-boot = {
+    enable = true;
+  };
+  boot.loader.efi = {
+    canTouchEfiVariables = true;
+  };
+
+
+  # Networking stuff
+  networking.hostName = "prismo"; # Define your hostname.
+  networking.networkmanager.enable = true;
+
+  # Set time stuff
+  time.timeZone = "Europe/Oslo";
+
+  # Setup hyprland
+  services.xserver.enable = true;
+  programs.hyprland = {
+    enable = true;
+    xwayland.enable = true;
+  };
+
+  # Setup common XDG env vars
+  environment.sessionVariables = rec {
+    XDG_CACHE_HOME = "$HOME/.cache";
+    XDG_CONFIG_HOME = "$HOME/.config";
+    XDG_DATA_HOME = "$HOME/.local/share";
+    XDG_STATE_HOME = "$HOME/.local/state";
+    XDG_BIN_HOME = "$HOME/.local/bin";
+    PATH = [
+      "${XDG_BIN_HOME}"
+    ];
+  }; 
+
+  # Enable sudo
+  security.sudo.enable = true;
+
+  # Enable flakes
+  nix.settings.experimental-features = [ "nix-command" "flakes" ];
+  
+  nixpkgs.config.allowUnfree = true;
+  # Install system-wide packages
+  environment.systemPackages = with pkgs; [
+    vim
+    wget
+    curl
+    neovim
+    alacritty
+    greetd.tuigreet
+    git
+  ];
+
+  # Do NOT change this value unless you have manually inspected all the changes it would make to your configuration,
+  # and migrated your data accordingly.
+  #
+  # For more information, see `man configuration.nix` or https://nixos.org/manual/nixos/stable/options#opt-system.stateVersion .
+  system.stateVersion = "23.11"; # Did you read the comment?
+}
+

hosts/prismo/default.nix

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+{ inputs, self, pks, ...}: {
+  imports = [
+    ./configuration.nix
+    ./hardware-configuration.nix
+    ../../system
+  ];
+}

hosts/prismo/hardware-configuration.nix

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+# Do not modify this file!  It was generated by ‘nixos-generate-config’
+# and may be overwritten by future invocations.  Please make changes
+# to /etc/nixos/configuration.nix instead.
+{ config, lib, pkgs, modulesPath, ... }:
+
+{
+  imports =
+    [ (modulesPath + "/installer/scan/not-detected.nix")
+    ];
+
+  boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usb_storage" "sd_mod" "rtsx_pci_sdmmc" ];
+  boot.initrd.kernelModules = [ ];
+  boot.kernelModules = [ "kvm-intel" ];
+  boot.extraModulePackages = [ ];
+
+  fileSystems."/" =
+    { device = "/dev/disk/by-uuid/91a0dbc4-426f-4b7b-a49e-063d1d0e59fb";
+      fsType = "xfs";
+    };
+
+  boot.initrd.luks.devices."cryptroot".device = "/dev/disk/by-uuid/f71b0ace-f38f-435f-a07a-007f9cfe4919";
+
+  fileSystems."/boot" =
+    { device = "/dev/disk/by-uuid/AF2D-FAD0";
+      fsType = "vfat";
+    };
+
+  swapDevices =
+    [ { device = "/dev/disk/by-uuid/67da36a8-69df-4541-88cd-cba7cbc40b4c"; }
+    ];
+
+  # Enables DHCP on each ethernet and wireless interface. In case of scripted networking
+  # (the default) this is the recommended approach. When using systemd-networkd it's
+  # still possible to use this option, but it's recommended to use it in conjunction
+  # with explicit per-interface declarations with `networking.interfaces.<interface>.useDHCP`.
+  networking.useDHCP = lib.mkDefault true;
+  # networking.interfaces.enp0s31f6.useDHCP = lib.mkDefault true;
+  # networking.interfaces.wlp2s0.useDHCP = lib.mkDefault true;
+
+  nixpkgs.hostPlatform = lib.mkDefault "x86_64-linux";
+  hardware.cpu.intel.updateMicrocode = lib.mkDefault config.hardware.enableRedistributableFirmware;
+}