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

user/utilities/screenshot.nix

@@ -0,0 +1,7 @@
+{ config, lib, pkgs, ... }:
+
+{
+  home.packages = (with pkgs; [
+    flameshot
+  ]);
+}