Handle scroll events for the whole document

[joeheyming]

When I pass 'scroll' to the events list, it does not work.

I read in this stackoverflow: https://stackoverflow.com/a/30723677/1222743
You have to pass true to the addEventListener.

According to the answer there:
"it tells the browser to capture the event on dispatch, even if that event does not normally bubble, like change, focus, and scroll."

A workaround I've found is to do this:

document.addEventListener('scroll', idle.idlenessEventsHandler, true);

But it would be nice for the library to support it.

[gabrielstuff]

hello,
I like this idea.
I've noticed that we could simply modify the bulkAddEventListener function and default to useCapture = true.

But as this might break some behavior and usage with library like idle-vue, I'd like to post pone this change.

I propose that the events array could accept Strings or Object int the form of 👍

{eventName: `scroll`, `useCapture`: true}

This way, we can still support the previous behavior and have some sugar to handle more cases.