IE 11 win 10 - touchpad scroll down doesn't work

### Description
when I try to croll down in the demo page with the notebook touchpad, nothing happend
### Link to isolated reproduction with no external CSS / JS
[Ideally in jsfiddle.net or codepen.io, links to personal websites won't be reviewed unless isolated. Reported issues without a reproduction might get closed.]

### Steps to reproduce it
1. [First step]
https://alvarotrigo.com/fullPage/es/#
2. [Second step]
scroll down with the touchpad in internet explorer 11
3. [and so on...]
doesn't work

### Versions
fullPage 3.0.0 - Extensions 0.1.6
internet explorer 11