devtools roxygen package creation and rd documentation

Question

I am new to roxygen and am struggling to see how to be able to use it to quickly create a new/custom package.

I.e. I would like to know the minimum requirements are

Answer 1

Much later - You could let RoxygenReady prepare your functions with the minimal Roxygen annotation skeleton. It basically brings you from your 2 input functions to GSee's answer, which is the input of Roxygen2.