function openTag(name, options) {
  return tag(name, options);
}
Open an HTML tag.

Examples:

   openTag('br');
   // => "<br>"

   openTag('img', { src: '/image.png', width: 100, height: 60 });
   // => "<img src="/image.png" width="100" height="60">"

@param {String} name
@param {Object} options
@return {String}
@api public