It builds now.

hosts/shuttleworth/system/default.nix

@@ -0,0 +1,25 @@
+{ hardware, ... }:
+{
+  imports = [
+    ./hardware
+
+    # Apps and programs
+    ../../../modules/system
+    ../../../modules/system/accounts
+    ../../../modules/system/desktop
+    ../../../modules/system/programs
+    ../../../modules/system/services
+
+    # Devices and hardware
+    hardware.nixosModules.pine64-pinebook-pro
+    ../../../modules/system/devices
+    ../../../modules/system/devices/boot/extlinux
+    ../../../modules/system/devices/networking/firewall/pc
+    ../../../modules/system/devices/networking/wireguard/pc
+  ];
+
+  networking.hostName = "shuttleworth";
+
+  # Force Electron to use Wayland
+  environment.sessionVariables.NIXOS_OZONE_WL = "1";
+}