feat: add thunderbird module

modules/home/applications/thunderbird.nix

@@ -0,0 +1,38 @@
+{
+  config,
+  lib,
+  ...
+}:
+let
+  inherit (lib) getExe mkEnableOption mkIf;
+  cfg = config.ataraxia.programs.thunderbird;
+  username = config.home.username;
+in
+{
+  options.ataraxia.programs.thunderbird = {
+    enable = mkEnableOption "Enable thunderbird program";
+  };
+
+  config = mkIf cfg.enable {
+    programs.thunderbird = {
+      enable = true;
+      profiles.${username} = {
+        isDefault = true;
+        withExternalGnupg = true;
+      };
+    };
+
+    defaultApplications.mail = {
+      cmd = getExe config.programs.thunderbird.package;
+      desktop = "thunderbird";
+    };
+
+    startupApplications = [
+      config.defaultApplications.mail.cmd
+    ];
+
+    persist.state.directories = [
+      ".thunderbird/${username}"
+    ];
+  };
+}

modules/home/roles/default.nix

@@ -83,6 +83,7 @@ in
         ataraxia.programs.kitty.enable = mkDefault true;
         ataraxia.programs.mpv.enable = mkDefault true;
         ataraxia.programs.rofi.enable = mkDefault true;
+        ataraxia.programs.thunderbird.enable = mkDefault true;
         ataraxia.programs.vscode.enable = mkDefault true;
         ataraxia.wayland.enable = mkDefault true;
         ataraxia.wayland.hyprland.enable = mkDefault true;