Add JS/TS bindings via Node C++ addons

[ungive]

JS/TS bindings for loon would allow the loon client to be used on websites, in browser extensions and in Electron apps!

Links:

• https://github.com/paullouisageneau/datachannel-wasm
• https://github.com/nodejs/nan
• https://github.com/nodejs/node-addon-examples/tree/main/src/8-tooling/build_with_cmake
• https://github.com/nodejs/node-addon-examples/tree/main/src/8-tooling/typescript_with_addon/node-addon-api