warning user that currently node version is not designated for longterm support

noLTSInProductionWarning.js

let { config } = require('./config');

if (config.env === "production" && !process.release.lts) {
  process.emitWarning('Running node version without lts in production', {
    code: 'NO_LTS_IN_PRODUCTION',
    detail: `Node.js version ${process.version} is not scheduled for long-term-support \
             and may become unstable in the future.`.replace(/(\s{2,}(?!\b)|\t)/gm, '')
  });
};