perf: Home-manager to module

feat: Optionise config

host/modules/common.nix

@@ -0,0 +1,20 @@
+{ lib, inputs, hostname }: {
+  imports = [
+    inputs.sops-nix.nixosModules.sops
+    ../${hostname}/hardware-configuration.nix
+    ../../modules/host.nix
+    ./packages.nix
+  ];
+
+  options = {
+    host.laptop = lib.mkEnableOption "laptop mode";
+  };
+
+  config = {
+    networking.hostName = hostname;
+    time.timeZone = lib.mkDefault "Europe/Moscow";
+    i18n.defaultLocale = lib.mkDefault "ru_RU.UTF-8";
+    nix.settings.experimental-features = [ "nix-command" "flakes" ];
+    system.stateVersion = "23.05";
+  };
+}