Add some utilities

hosts/nyx/configuration.nix

@@ -1,6 +1,10 @@
 { config, pkgs, ...}:
 let
-  home-manager = builtins.fetchTarball "https://github.com/nix-community/home-manager/archive/release-22.11.tar.gz";
+  home-manager = builtins.fetchTarball {
+    url = "https://github.com/nix-community/home-manager/archive/release-22.11.tar.gz";
+    sha256 = "1cp2rpprcfl4mjsrsrpfg6278nf05a0mpl3m0snksvdalfmc5si5";
+  };
+
 in {
   imports = [
     ./hardware-configuration.nix
@@ -24,6 +28,8 @@ in {
     neofetch
     bat
     lazygit
+    tmux
+    psmisc
   ];
 
   ashe.network.interface = "ens3";