cleanup config imports

common/default.nix

@@ -0,0 +1,40 @@
+{ config, pkgs, ... }:
+
+{
+  imports = [
+    ./flakes.nix
+    ./pia.nix
+    ./zerotier.nix
+    ./auto-update.nix
+    ./boot
+    ./server
+    ./pc
+  ];
+
+  system.stateVersion = "20.09";
+
+  networking.useDHCP = false;
+
+  time.timeZone = "America/New_York";
+  i18n.defaultLocale = "en_US.UTF-8";
+
+  services.openssh.enable = true;
+  programs.mosh.enable = true;
+
+  environment.systemPackages = with pkgs; [
+    wget kakoune htop git dnsutils tmux nethogs iotop pciutils usbutils
+  ];
+
+  nixpkgs.config.allowUnfree = true;
+
+  users.mutableUsers = false;
+  users.users.googlebot = {
+    isNormalUser = true;
+    extraGroups = [ "wheel" ];
+    openssh.authorizedKeys.keys = (import ./ssh.nix).users;
+    hashedPassword = "$6$TuDO46rILr$gkPUuLKZe3psexhs8WFZMpzgEBGksE.c3Tjh1f8sD0KMC4oV89K2pqAABfl.Lpxu2jVdr5bgvR5cWnZRnji/r/";
+  };
+  nix.trustedUsers = [ "root" "googlebot" ];
+
+  nix.gc.automatic = true;
+}