Zoom images

[johanjanssens]

Implement a helper to support image zooming

Possible libraries:

• https://github.com/francoischalifour/medium-zoom
• https://github.com/tomik23/zooom.js
• https://github.com/kingdido999/zooming
• https://github.com/yyx990803/zoomerang

Also: https://codepen.io/galulex/pen/eNZRVq

[johanjanssens]

See also: https://imagekit.io/responsive-images/

[waseemsadiq]

See: https://github.com/joomlatools/www.joomlatools.com/issues/1431
Added this library for www.joomlatools.com: https://biati-digital.github.io/glightbox/