copy nb configuration and modules

utils/modules/i3.nix

@@ -0,0 +1,22 @@
+{ config, pkgs, callPackage, ... }: 
+
+{
+  environment.pathsToLink = [ "/libexec" ]; # links /libexec from derivations to /run/current-system/sw 
+  services.xserver = {
+    enable = true;
+
+    desktopManager = {
+      xterm.enable = false;
+    };
+   
+    windowManager.i3 = {
+      enable = true;
+      extraPackages = with pkgs; [
+        dmenu #application launcher most people use
+        i3status # gives you the default i3 status bar
+        i3lock #default i3 screen locker
+        i3blocks #if you are planning on using i3blocks over i3status
+     ];
+    };
+  };
+}