Add ctf-shell, minor worf fixes

hosts/worf/configuration.nix

@@ -5,10 +5,10 @@
   nixpkgs.config.allowUnfree = true;
 
   nix = {
-    gc = {
-      automatic = true;
-      options = "--delete-older-than 2d";
-    };
+    # gc = {
+    #   automatic = true;
+    #   options = "--delete-older-than 2d";
+    # };
 
     settings.experimental-features = ["nix-command" "flakes"];
   };

hosts/worf/zsh.nix

@@ -44,7 +44,10 @@
         l = "exa -l";
         tree = "exa --tree --icons";
         rebuild = "darwin-rebuild switch --flake /Users/felixalb/nix";
-        shell = "nix-shell --run zsh";
+        s = "nix-shell --run zsh";
+        sp = "nix-shell --run zsh -p";
+        em = "emacsclient -c";
+        emnw = "emacsclient -nw";
         gst = "git status -sb";
         gcm = "git commit -m";
         gps = "git push";