Add ability to double tap to zoom on mobile

[broox]

Clear and concise description of the problem

The Zoom module's toggle parameter adds the ability to zoom in/out by double tapping on a slide. This works on desktop, but not mobile (tested on iOS, chrome).

Suggested solution

Add the ability to double tap to zoom on mobile.

Alternative

No response

Additional context

No response

Validations

• Follow our Code of Conduct
• Read the docs.
• Check that there isn't already an issue that request the same feature to avoid creating a duplicate.

Would you like to open a PR for this feature?

• I'm willing to open a PR

[nolimits4web]

It works on mobile, if it is an issue then it should be created as issue correctly filling the issue form