Get alacritty onto worktop

nix/system/worktop/darwin-configuration.nix

@@ -85,7 +85,10 @@ in
   # have to do this to play nicely with home-manager:
   #   https://github.com/nix-community/home-manager/issues/4026
   users.users.haak.home = "/Users/haak/";
-  home-manager.users.haak.imports = [ ../../home/commandline.nix ];
+  home-manager.users.haak.imports = [
+    ../../home/commandline.nix
+    ../../home/programs/alacritty
+  ];
 
   # Auto upgrade nix package and the daemon service.
   services.nix-daemon.enable = true;
@@ -99,7 +102,7 @@ in
   # by nix-darwin
   system.activationScripts.applications.text = pkgs.lib.mkForce (
     ''
-      userDir="/Users/haak/Applications/Nix Apps"
+      userDir="$HOME/Applications/Nix Apps"
       echo "setting up $userDir"
       rm -rf $userDir
       mkdir -p $userDir