Add network configuration in a different module

configuration.nix

@@ -3,6 +3,7 @@
 {
   # Kernel configuration
   boot = {
+    kernelPackages = pkgs.linuxPackages_latest;
     kernelParams = [ "zfs.zfs_arc_max=536870912" ];
     kernelModules = [ "i915" "acpi_call" ];
     extraModulePackages = with config.boot.kernelPackages; [ acpi_call ];
@@ -44,4 +45,15 @@
   # Clean tmp directory on shutdown
   boot.cleanTmpDir = true;
 
+  # Rotate logs after 7 days
+  services.journald.extraConfig = "SystemMaxFiles=7";
+
+  # Allow propietary software
+  nixpkgs.config.allowUnfree = true;
+
+  # Import other configuration modules
+  imports = [
+    ./modules/networking.nix
+  ];
+
 }