Node C++ Addon Test

How to run this program

1. you need first install node and npm

2. install node-gyp using: "npm i -g node-gyp

3. on windows, VS2015 or 2017 is needed

4. run node-gyp configure, you will get an "binding.sln" file, you can open this file with VS

5. run node-gyp build, you will get the addon.node file

6. then you can test it with node hello.js