bring install instructions to top, as is tradition

Fix typo

The Install was waaaay at the bottom, which didn't make sense to scroll through all the detailed documentation, just to find how to get started with an install.

Fixed broken link to markdown options doc

Fixed broken link to markdown options doc

Only show resume on pause if controls enabled

add a full list of transitions to readme

Clarify the meaning of the notes?: regex

Fix timer when speaker notes window opened via RevealNotes.open()