Refactor, add roam using colmena

mod/home-manager.nix

@@ -0,0 +1,25 @@
+{
+  inputs,
+  lib,
+  options,
+  config,
+  ...
+}:
+{
+  imports = [
+    inputs.home-manager.nixosModules.home-manager
+  ];
+
+  config = {
+    home.home.stateVersion = config.system.stateVersion;
+    home-manager.users."hd" = lib.mkAliasDefinitions options.home;
+  };
+
+  options = {
+    home = lib.mkOption {
+      type = lib.types.attrs;
+      default = { };
+    };
+  };
+
+}