initial gpg setup

modules/services/gnupg.nix

@@ -0,0 +1,15 @@
+{ config, ... }: {
+
+  home-manager.users.${config.user} = {
+    programs.gpg.enable = true;
+    services.gpg-agent = {
+      enable = true;
+      defaultCacheTtl = 86400; # Resets when used
+      defaultCacheTtlSsh = 86400; # Resets when used
+      maxCacheTtl = 34560000; # Can never reset
+      maxCacheTtlSsh = 34560000; # Can never reset
+      pinentryFlavor = "tty";
+    };
+  };
+
+}