Gui Reorg and More Programs

- Gui config reorganization
- Enable picom for dwm
- Install some utilities like arandr, autorandr, and unclutter-xfixes
  for dwm
- Add nerdfonts for FiraCode
- Remove conditional imports list syntax
- Add audio tools like playerctl and pavucontrol
- Enable polkit and add GNOME polkit
- Add more media programs like freecad, audacity, ani-cli, and calibre
- Add flameshot

system/security/default.nix

@@ -4,5 +4,6 @@
   imports = [
     ./firewall.nix
     ./gpg.nix
+    ./polkit.nix
   ];
 }