Adding webfonts

Pattern Lab:

_head.twig

 <link rel="stylesheet" href="https://fonts.googleapis.com/css?family=Open+Sans:ital,wght@0,400;0,600;0,800;1,300;1,400&display=swap">
 <link rel="stylesheet" href="../../css/all.css?{{ cacheBuster }}" media="all" />

Drupal Library:

training_theme.libraries.yml

webfonts:
  css:
    base:
      'https://fonts.googleapis.com/css?family=Open+Sans:ital,wght@0,400;0,600;0,800;1,300;1,400&display=swap': { type: external, minified: true }