add gaming pc config

flake.nix

@@ -20,6 +20,7 @@
           with nixos-hardware.nixosModules; {
             x260 = mkNixosSystem lenovo-thinkpad-x260 hosts/x260.nix;
             acer = mkNixosSystem {} hosts/acer.nix;
+            gaming-pc = mkNixosSystem {} hosts/gaming-pc.nix;
           };
     };
 }

hosts/gaming-pc.nix

@@ -0,0 +1,83 @@
+{ lib, pkgs, ... }:
+
+{
+  # Identity
+  networking.hostName = "gaming-pc"; # Define your hostname.
+  networking.hostId = "fc9583ce";
+
+  # Hardware
+  hardware.enableRedistributableFirmware = true;
+
+  # Bootloader.
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.systemd-boot.graceful = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  # Kernel
+  # boot.initrd.availableKernelModules = [ "xhci_pci" "ahci" "usb_storage" "sd_mod" "rtsx_pci_sdmmc" ];
+  boot.kernelPackages = pkgs.linuxKernel.packages.linux_6_12;
+
+  # Swap
+  zramSwap = {
+    enable = true;
+    memoryPercent = 100;
+  };
+
+  # Storage
+  fileSystems = 
+    let
+      rootfs = "/dev/disk/by-uuid/c79f016c-b61b-4d99-93fc-fc38978bef0d";
+    in {
+      "/" =
+        {
+          device = rootfs;
+          fsType = "btrfs";
+          options = [ "subvol=/rootfs" "compress-force=zstd" ];
+        };
+      "/nix" =
+        {
+          device = rootfs;
+          fsType = "btrfs";
+          options = [ "subvol=/nix" "compress-force=zstd" "noatime" ];
+        };
+      "/home" =
+        { 
+          device = rootfs;
+          fsType = "btrfs";
+          options = [ "subvol=/home" "compress-force=zstd" ];
+        };
+
+      "/boot" =
+        { device = "/dev/disk/by-uuid/2C6B-5A17";
+          fsType = "vfat";
+          options = [ "fmask=0077" "dmask=0077" ];
+        };
+    };
+
+  # Config modules
+  lumpiasty = {
+    pc = true;
+    enablePlasma = true;
+    intelCpu = true;
+    noMitigations = true;
+    enablePulseaudio = true;
+    sshd = true;
+    users.user = true;
+    # users.drugi = true;
+  };
+
+  virtualisation.vmVariant = {
+    virtualisation = {
+      memorySize = 2048;
+      cores = 2;
+    };
+  };
+
+  # This value determines the NixOS release from which the default
+  # settings for stateful data, like file locations and database versions
+  # on your system were taken. It‘s perfectly fine and recommended to leave
+  # this value at the release version of the first install of this system.
+  # Before changing this value read the documentation for this option
+  # (e.g. man configuration.nix or on https://nixos.org/nixos/options.html).
+  system.stateVersion = "24.05"; # Did you read the comment?
+}