Add ghostty config

flake.nix

@@ -57,6 +57,7 @@
         ./modules/rsync.nix
         ./modules/btop.nix
         ./modules/firefox.nix
+        ./modules/ghostty.nix
         ./config/fonts.nix
       ];
 

modules/ghostty.nix

@@ -0,0 +1,53 @@
+{ pkgs, ... }:
+
+{
+  # Note: Ghostty is currently marked as broken in nixpkgs
+  # To use it, you'll need to either:
+  # 1. Set NIXPKGS_ALLOW_BROKEN=1 when running hms
+  # 2. Add nixpkgs.config.allowBroken = true to your configuration
+  # 3. Install Ghostty manually from https://ghostty.org
+  
+  programs.ghostty = {
+    enable = true;
+    package = null;  # Use system-installed Ghostty
+    
+    settings = {
+      # Font settings
+      font-family = "JetBrainsMono Nerd Font Mono";
+      font-size = 14;
+      
+      # Gruvbox Dark Theme (matching tmux theme)
+      background = "#14191f";
+      cursor-style-blink = false;
+
+      # Window config
+      window-theme = "dark";
+      window-width = 150;
+      window-height = 40;
+      window-padding-x = 4;
+      window-padding-y = 4;
+      
+      # Shell integration
+      shell-integration = "detect";
+      shell-integration-features = "cursor,sudo,title";
+      
+      # Mouse settings
+      mouse-hide-while-typing = true;
+      mouse-shift-capture = false;
+      
+      # Performance and appearance
+      adjust-cell-height = "10%";
+      minimum-contrast = 1.0;
+      
+      # Copy/paste
+      copy-on-select = false;
+      
+      # Scrollback
+      scrollback-limit = 10000;
+      
+      # Bell
+      desktop-notifications = false;
+    };
+
+  };
+}