feat(wrappers): start wrapping configs

thanks to @fdncred for the ls function with nushell

hosts/shared/waybar.nix

@@ -0,0 +1,21 @@
+{
+  lib,
+  pkgs,
+  config,
+  ...
+}: let
+  cfg = config.alqueva.programs.waybar;
+in {
+  options.alqueva.programs.waybar = {
+    enable = lib.mkEnableOption "waybar, a highly customizable Wayland bar for Sway and Wlroots based compositors";
+    package = lib.mkPackageOption pkgs "waybar" {};
+  };
+
+  config = lib.mkIf cfg.enable {
+    environment.systemPackages = [cfg.package];
+    systemd = {
+      packages = [cfg.package];
+      user.services.waybar.wantedBy = ["graphical-session.target"];
+    };
+  };
+}