I agree with this question - I'm new to Doku but have used at least five other wiki systems.
This question comes up all the time - again and again - yep, all the time!
Answers always direct you to the wiki page that says basically jump-through-hoops to create a new page - see the answer below that describes two ways to create a page - e.g. edit the URL - but aint nobody got time for that!
https://www.youtube.com/watch?v=Nh7UgAprdpM
The fact that this is a perennial question should be reflected back to Mr Doku himself.
This should be built in, out of the box, with no hoops for my Gran to jump through.
I'm willing to help with the dev if I can - point me in the right direction and I will make a start...