base16-builder: regenerate with node2nix 1.8.0, add supplement.json with node-pre-gyp to fix build

pkgs/misc/base16-builder/node-packages.nix

@@ -1,10 +1,14 @@
-# This file has been generated by node2nix 1.7.0. Do not edit!
+# This file has been generated by node2nix 1.8.0. Do not edit!
 
 {pkgs ? import <nixpkgs> {
     inherit system;
-  }, system ? builtins.currentSystem, nodejs ? pkgs.nodejs-10_x}:
+  }, system ? builtins.currentSystem, nodejs ? pkgs."nodejs-10_x"}:
 
 let
+  globalBuildInputs = pkgs.lib.attrValues (import ./supplement.nix {
+    inherit nodeEnv;
+    inherit (pkgs) fetchurl fetchgit;
+  });
   nodeEnv = import ../../development/node-packages/node-env.nix {
     inherit (pkgs) stdenv python2 utillinux runCommand writeTextFile;
     inherit nodejs;
@@ -13,5 +17,5 @@ let
 in
 import ./node-packages-generated.nix {
   inherit (pkgs) fetchurl fetchgit;
-  inherit nodeEnv;
+  inherit nodeEnv globalBuildInputs;
 }