Fix laptop config

nixos/hosts/low-power-laptop/configuration.nix

@@ -2,7 +2,7 @@
 # your system.  Help is available in the configuration.nix(5) man page
 # and in the NixOS manual (accessible by running ‘nixos-help’).
 
-{ config, pkgs, ... }:
+{ config, pkgs, unstable, ... }:
 
 {
   imports =
@@ -10,6 +10,8 @@
       ./hardware-configuration.nix
     ];
 
+  boot.kernelPackages = pkgs.linuxPackages_latest;
+
   # Bootloader.
   boot.loader.systemd-boot.enable = true;
   boot.loader.efi.canTouchEfiVariables = true;
@@ -79,7 +81,7 @@
     isNormalUser = true;
     description = "Aria";
     extraGroups = [ "networkmanager" "wheel" ];
-    packages = with pkgs; [
+    packages = with pkgs; with unstable; [
       git
       neovim
     ];
@@ -98,6 +100,7 @@
   environment.systemPackages = with pkgs; [
   #  vim # Do not forget to add an editor to edit configuration.nix! The Nano editor is also installed by default.
   #  wget
+    unstable.nix-your-shell
   ];
 
   # Some programs need SUID wrappers, can be configured further or are