Gen 444: Consolidated desktop/laptop configs into one, differing options are declared in hosts folder

modules/home/waybar/waybar.nix

@@ -0,0 +1,10 @@
+{ pkgs, ... }: 
+
+{
+  programs.waybar = {
+    enable = true;
+  };
+  programs.waybar.package = pkgs.waybar.overrideAttrs (oa: {
+    mesonFlags = (oa.mesonFlags or [ ]) ++ [ "-Dexperimental=true" ];
+  });
+}