Add NixOS config

nixos/modules/user.nix

@@ -0,0 +1,31 @@
+{ pkgs, ...} : {
+  programs.fish.enable = true;
+  documentation.man.generateCaches = false;
+
+  # virtualisation.docker.enable = true;
+  virtualisation.containers.enable = true;
+  virtualisation = {
+    podman = {
+      enable = true;
+
+      dockerCompat = true;
+      defaultNetwork.settings = { dns_enabled = true; };
+    };
+  };
+
+  users = {
+    defaultUserShell = pkgs.bash;
+    users.zeph = {
+      isNormalUser = true;
+      extraGroups = [
+        "wheel"
+        "networkmanager"
+        "video"
+        "kvm"
+        "docker"
+      ];
+      packages = with pkgs; [];
+    };
+  };
+  services.fwupd.enable = true;
+}