add takamaki config, clean up host configs

global-default.nix

@@ -3,9 +3,13 @@
   pkgs,
   specialArgs,
   ...
-}: {
+}: let
+modules-dir = ./modules;
+in {
   imports = [
     ./hosts/${specialArgs.hostname}/hardware-configuration.nix
+    "${modules-dir}/nh.nix"
+    "${modules-dir}/home-manager.nix"
   ];
 
   networking.hostName = specialArgs.hostname;
@@ -70,6 +74,10 @@
     powerOnBoot = false;
   };
 
+  programs.gnupg.agent = {
+    enable = true;
+  };
+
   # This value determines the NixOS release from which the default
   # settings for stateful data, like file locations and database versions
   # on your system were taken. It‘s perfectly fine and recommended to leave