added base configuration for ixion, applied system update, modified power mgmt readme

modules/machine/ixion/configuration.nix

@@ -1,16 +1,84 @@
 {
-  lib,
   pkgs,
   userName,
   ...
 }: {
-  imports = [ ];
+  imports = [
+    ../../pwrMgmt
+    ../../networking/core.nix
+    ../../virtualization/podman.nix
+    ../../virtualization/quadlet.nix
+    ../../virtualization/hardware.nix
+  ];
 
   # Enable flakes for NixOS
   nix.settings.experimental-features = ["nix-command" "flakes"];
 
   # Custom kernel/boot stuff
-  boot.kernelPackages = pkgs.linuxPackages_latest;
-  boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
+  boot = {
+    kernelPackages = pkgs.linuxPackages_latest;
+    loader = {
+      systemd-boot.enable = true;
+      efi.canTouchEfiVariables = true;
+    };
+  };
+
+  # Enable Polkit
+  security.polkit.enable = true;
+
+  # Make sure Bluetooth is off!
+  hardware.bluetooth.enable = false;
+
+  # Set your timezone
+  time.timeZone = "America/Detroit";
+
+  # Power management module
+  pwrMgmt = {
+    enable = true;
+    cpuFreqGovernor = "performance";
+    powertop.enable = false;
+  };
+
+  # Podman module (see ../../virtualization/podman.nix)
+  podman = {
+    enable = true;
+    extraPackages = with pkgs; [
+      docker-credential-helpers
+      toolbox
+      cosign
+      crane
+      podman-tui
+    ];
+  };
+
+  # Core networking module (see ../../networking/core.nix)
+  network = {
+    firewall.enable = true;
+    networkManager.enable = true;
+  };
+
+  programs = {
+    # Enable GnuPG
+    gnupg.agent = {
+      enable = true;
+      enableSSHSupport = true;
+    };
+
+    # Enable SUID wrappers (some programs need them)
+    mtr.enable = true;
+  };
+
+  users.users.${userName}.extraGroups = ["wheel" "video" "podman" "network"];
+
+  services = {
+    # Enable OpenSSH
+    openssh.enable = true;
+  };
+
+  # Install packages to be installed system-wide
+  environment.systemPackages = with pkgs; [
+    wireguard-tools
+  ];
+
+  system.stateVersion = "25.05";
 }