base: move home-manager options out of admin module

modules/nixos/base/home-manager.nix

@@ -0,0 +1,25 @@
+{
+  inputs,
+  inputs',
+  self,
+  self',
+  lib,
+  config,
+  ...
+}: let
+  inherit (lib) mkIf;
+  inherit (config.ooknet.host) admin;
+in {
+  config = mkIf admin.homeManager {
+    home-manager = {
+      useGlobalPkgs = true;
+      useUserPackages = true;
+      backupFileExtension = "hm.old";
+      verbose = true;
+      extraSpecialArgs = {inherit inputs inputs' self self';};
+      users.${admin.name} = {
+        imports = ["${self}/modules/home/base"];
+      };
+    };
+  };
+}