v1.60-rc.0

This v1.6.0 release aims to fully support all the WIP elements !

Breaking changes

• Add mailto support
• Add linksupport (47e1310) - @linonetwo
• Add listItemText support (0123c49 | 11eb71a) - @chandlervdw
• Add video support (only YouTube for now)
• Add GIFs support
• Add url support