Create official samples from advanced OpenCL-Interop demos (VAAPI/OpenGL)

Hi!

I have written a bunch of well crafted demos that show how to write OpenCV programs that run mostly (the part that matters) on the GPU using OpenCL interop. For the moment they rely on my OpenCV 4.x fork (refere to the REAME of the demos) but I am workig on getting the changes pulled. All of the demos do video writing and/or video capturing using VAAPI-interop, rendering using OpenGL-interop (in two cases using bare OpenGL and for the other two nanovg) and some computation using OpenCV/OpenCL.

Given all required changes make it into the official repository, what would I have to do to make them official samples of even part of an official tutorial?