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

pkgs/servers/web-apps/cryptpad/generate.sh

@@ -2,7 +2,7 @@
 #! nix-shell -i bash  -I nixpkgs=../../../.. -p nodePackages.node2nix nodePackages.bower2nix
 set -euo pipefail
 
-node2nix -6 \
+node2nix --nodejs-10 \
      --input node-packages.json \
      --output node-packages-generated.nix \
      --composition node-packages.nix \

pkgs/servers/web-apps/cryptpad/node-packages-generated.nix

@@ -1,4 +1,4 @@
-# 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!
 
 {nodeEnv, fetchurl, fetchgit, globalBuildInputs ? []}:
 

pkgs/servers/web-apps/cryptpad/node-packages.nix

@@ -1,8 +1,8 @@
-# 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-6_x"}:
+  }, system ? builtins.currentSystem, nodejs ? pkgs."nodejs-10_x"}:
 
 let
   nodeEnv = import ../../../development/node-packages/node-env.nix {