instawidget-8.x-1.0/instawidget.libraries.yml

instawidgetblock:
  version: 1.x
  css:
    theme:
      css/instagram.min.css: {}
      https://maxcdn.bootstrapcdn.com/font-awesome/4.3.0/css/font-awesome.min.css: { external: true }
  js:
    js/instawidget.js: {}
  dependencies:
    - core/jquery
    - core/drupalSettings
     
instawidget-admin:
  version: 1.x
  js:
    js/instawidget.js: {}