replace alacritty with kitty

modules/home-manager/features/kitty.nix

@@ -0,0 +1,31 @@
+{
+  config,
+  lib,
+  pkgs,
+  ...
+}:
+let
+  feature = "kitty";
+in
+{
+  config = lib.mkIf config.${feature}.enable {
+    programs.kitty = {
+      enable = true;
+      enableGitIntegration = true;
+      font = {
+        package = pkgs.nerd-fonts.jetbrains-mono;
+        name = "JetBrainsMono Nerd Font";
+        size = 13;
+      };
+      themeFile = "Catppuccin-Mocha";
+      settings = {
+        shell = "zellij -l welcome";
+        remember_window_size = true;
+      };
+    };
+  };
+
+  imports = [ ];
+
+  options.${feature}.enable = lib.mkEnableOption "enables ${feature}";
+}