feat(sleep-or-die): fix my sleep schedule

hosts/shared/nushell.nix

@@ -0,0 +1,23 @@
+{
+  lib,
+  pkgs,
+  config,
+  ...
+}: let
+  cfg = config.alqueva.shells.nushell;
+in {
+  options.alqueva.shells.nushell = {
+    enable = lib.mkEnableOption "Nushell";
+    package = lib.mkPackageOption pkgs "nushell" {};
+  };
+
+  config = lib.mkIf cfg.enable {
+    environment = {
+      systemPackages = [cfg.package];
+      shells = [
+        (lib.getExe' cfg.package "nu")
+        "/run/current-system/sw/bin/nu"
+      ];
+    };
+  };
+}