feat: gnome-keyring - add gui app

modules/nixos/desktop/security.nix

@@ -2,7 +2,8 @@
   config,
   pkgs,
   ...
-}: {
+}:
+{
   # security with polkit
   security.polkit.enable = true;
   # security with gnome-kering
@@ -12,6 +13,8 @@
     # https://wiki.gnome.org/Projects/GnomeKeyring/Ssh
     gcr-ssh-agent.enable = false;
   };
+  # seahorse is a GUI App for GNOME Keyring.
+  programs.seahorse.enable = true;
   # The OpenSSH agent remembers private keys for you
   # so that you don’t have to type in passphrases every time you make an SSH connection.
   # Use `ssh-add` to add a key to the agent.