Add library definition

hosts/server.nix

@@ -0,0 +1,36 @@
+{ config, lib, pkgs, ... }:
+
+with lib;
+with lib.my;
+{
+  time.timeZone = "Europe/London";
+
+  i18n.defaultLocale = "en_GB.UTF-8";
+  i18n.extraLocaleSettings = {
+    LC_ADDRESS = "en_GB.UTF-8";
+    LC_IDENTIFICATION = "en_GB.UTF-8";
+    LC_MEASUREMENT = "en_GB.UTF-8";
+    LC_MONETARY = "en_GB.UTF-8";
+    LC_NAME = "en_GB.UTF-8";
+    LC_NUMERIC = "en_GB.UTF-8";
+    LC_PAPER = "en_GB.UTF-8";
+    LC_TELEPHONE = "en_GB.UTF-8";
+    LC_TIME = "en_GB.UTF-8";
+  };
+
+  console.keyMap = "uk";
+
+  services.openssh = {
+    enable = true;
+    kbdInteractiveAuthentication = false;
+    passwordAuthentication = false;
+    permitRootLogin = "no";
+  };
+
+  environment.systemPackages = with pkgs; [
+    git
+    neovim
+  ];
+
+  modules.networking.tailscale.enable = true;
+}