Код для файла THEMENAME.libraries.yml на примере Fancybox:
fancybox:
remote: https://fancyapps.com/fancybox/3/
version: 3.5.7
license:
name: GNU GPLv3
url: http://fancyapps.com/fancybox/3/#license
gpl-compatible: true
js:
https://cdn.jsdelivr.net/gh/fancyapps/fancybox@3.5.7/dist/jquery.fancybox.min.js: {type: external, minified: true}
css:
theme:
https://cdn.jsdelivr.net/gh/fancyapps/fancybox@3.5.7/dist/jquery.fancybox.min.css: {type: external, minified: true}
remote: https://fancyapps.com/fancybox/3/
version: 3.5.7
license:
name: GNU GPLv3
url: http://fancyapps.com/fancybox/3/#license
gpl-compatible: true
js:
https://cdn.jsdelivr.net/gh/fancyapps/fancybox@3.5.7/dist/jquery.fancybox.min.js: {type: external, minified: true}
css:
theme:
https://cdn.jsdelivr.net/gh/fancyapps/fancybox@3.5.7/dist/jquery.fancybox.min.css: {type: external, minified: true}