Install this library using composer

composer require neilime/twbs-helper-module

Include Twitter Bootstrap assets

With AssetsBundle module (easy way)

• Install the AssetsBundle module
• Install Twitter Bootstrap:

  composer require twbs/bootstrap
  

• Edit the application module configuration file module/Application/config/module.config.php, adding the configuration fragment below:

  return [
    //...
    'assets_bundle' => [
      'assets' => [
        'less' => ['@zfRootPath/vendor/twitter/bootstrap/less/bootstrap.less'],
      ],
    ],
    //...
  ];
  

• Edit layout file module/Application/view/layout/layout.phtml, to render head scripts:

  //...
  echo $this->headScript();
  //...
  

Manually

• Copy bootstrap.css file (available on Twitter Bootstrap website) into your assets folder and add it in your head scripts.