Add library definition

hosts/library/default.nix

@@ -0,0 +1,36 @@
+{ config, lib, pkgs, ... }:
+
+with lib.my;
+{
+  imports = [
+    ./hardware-configuration.nix
+    ../server.nix
+  ];
+
+  boot.loader.systemd-boot.enable = true;
+  boot.loader.efi.canTouchEfiVariables = true;
+
+  networking.hostName = "library";
+  networking.domain = "mesh.vimium.net";
+  networking.hostId = "d24ae953";
+
+  networking.networkmanager.enable = true;
+
+  nix.package = pkgs.nixFlakes;
+  nix.extraOptions = ''
+    experimental-features = nix-command flakes
+  '';
+
+  users.defaultUserShell = pkgs.zsh;
+
+  system.stateVersion = "22.11";
+
+  modules = {
+    security = {
+      gpg.enable = true;
+    };
+    shell = {
+      zsh.enable = true;
+    };
+  };
+}