Hi, it's my job! I can help to add Google font to your Bootstrap theme on your D8 site now. I'm a Drupal themer/developer, I have over 7 years working on various Drupal (D6-D7-D8) projects from theming (Responsive Design, HTML, CSS, Javascript) to development (PHP, MYSQL, Drupal). Please message me to get started. Many thanks, Hoa