add color to consol log code example

Example 1: js console log with color

console.log('%c Oh my heavens! ', 'background: #222; color: #bada55');

Example 2: console.log with color font

var colors = require('colors');

console.log('i am black'.bgBlack);
console.log('i am red'.bgRed);
console.log('i am green'.bgGreen);
console.log('i am black'.bgYellow);
console.log('i am blue'.bgBlue);
console.log('i am magenta'.bgMagenta);
console.log('i am cyan'.bgCyan);
console.log('i am white'.bgWhite);