sdk-generator usage

usage.js

const generate = require('.').generate;
// this version is valid till the first cut feature/nodejs-request-sdkgen
generate({
  type: 'json',
  collection: //collection json here
}, {
  language: 'Nodejss',
  variant: 'request',
}, (err, snippet) => {
  console.log(err);
  console.log(snippet);
});