Added common desktop attributes

roles/desktop_common.nix

@@ -0,0 +1,71 @@
+# Common configuration for MIO desktops
+
+{ config, pkgs, ... }:
+
+{
+  imports =
+    [
+      ../roles/games-kids.nix
+      ../roles/host_common.nix
+      ../roles/openssh.nix
+      ../secrets/user-craige.nix
+      ../secrets/user-hamish.nix
+      ../secrets/user-logan.nix
+      ../secrets/user-root.nix
+      ../secrets/user-xander.nix
+    ];
+
+  # Common Desktop Packages
+  environment.systemPackages = with pkgs; [
+    chromium
+    digikam
+    firefoxWrapper   # install Firefox with support for plugins
+    libreoffice-fresh
+    plasma-workspace-wallpapers
+    user-manager
+  ];
+
+  programs.ssh.startAgent = true;
+
+  networking.networkmanager.enable = true;  # Enables network support via NetworkManager.
+
+  # Enable common desktop services
+  services.acpid.enable = true;
+  powerManagement.enable = true;
+
+  services.xserver.enable = true;
+  services.xserver.libinput.enable = true;               # Enable touchpad support.
+  services.xserver.displayManager.sddm.enable = true;    # Enable SDDM
+  services.xserver.desktopManager.plasma5.enable = true; # Enable KDE
+
+  sound.enable = true;   # Enable sound.
+  hardware.pulseaudio = {
+    enable = true;
+    package = pkgs.pulseaudioFull;
+  };
+  hardware.bluetooth.enable = true;   # Enable bluetooth
+  hardware.bluetooth.extraConfig = "
+    [General]
+    Enable=Source,Sink,Media,Socket
+  ";
+
+  # Configure Firefox and Chromium
+  nixpkgs.config = {
+    allowUnfree = true;
+    firefox = {
+      enableGoogleTalkPlugin = true;
+      enableAdobeFlash = false;
+    };
+    chromium = {
+      enablePepperFlash = false; # Chromium's non-NSAPI alternative to Adobe Flash
+    };
+  };
+
+  programs = {
+    chromium = {
+      enable = true;
+      homepageLocation = "https://start.duckduckgo.com/";
+    };
+  };
+
+}