refactor: replace gammastep by noctalia-shell, update README (#241)

home/linux/gui/base/desktop-tools.nix

@@ -0,0 +1,38 @@
+{ mylib, pkgs, ... }:
+{
+  # wayland related
+  home.sessionVariables = {
+    "NIXOS_OZONE_WL" = "1"; # for any ozone-based browser & electron apps to run on wayland
+    "MOZ_ENABLE_WAYLAND" = "1"; # for firefox to run on wayland
+    "MOZ_WEBRENDER" = "1";
+    # enable native Wayland support for most Electron apps
+    "ELECTRON_OZONE_PLATFORM_HINT" = "auto";
+    # misc
+    "_JAVA_AWT_WM_NONREPARENTING" = "1";
+    "QT_WAYLAND_DISABLE_WINDOWDECORATION" = "1";
+    "QT_QPA_PLATFORM" = "wayland";
+    "SDL_VIDEODRIVER" = "wayland";
+    "GDK_BACKEND" = "wayland";
+    "XDG_SESSION_TYPE" = "wayland";
+  };
+
+  home.packages = with pkgs; [
+    swaybg # the wallpaper
+    wl-clipboard # copying and pasting
+    hyprpicker # color picker
+    brightnessctl
+    # audio
+    alsa-utils # provides amixer/alsamixer/...
+    networkmanagerapplet # provide GUI app: nm-connection-editor
+    # screenshot/screencast
+    flameshot
+    hyprshot # screen shot
+    wf-recorder # screen recording
+  ];
+
+  # screen locker
+  programs.swaylock.enable = true;
+
+  # Logout Menu
+  programs.wlogout.enable = true;
+}