text: const chalk = require('chalk');
  const fs = require('fs-extra');
  const git = require('simple-git')(__dirname + '/..');
  
  const appBuild = './build';
  const appDocs = '../docs';
  
  console.log(chalk.yellow('Build github pages demo.\n'));
  
  fs.emptyDirSync(appDocs);
  fs.copySync(appBuild, appDocs, { dereference: true });
  git.add('./*');
  
  console.log(chalk.yellow('Created github pages demo.\n'));
  