Leon Kos

I suggest to upgrade this PR with #16426 and take useful module help. Otherwise, excellent EB and patches.

@Flamefire I suggested just to add some help to users such as: ``` The server can be started with: MYTMP=`mktemp -d` && trap "rm -rf ${MYTMP}" INT QUIT ABRT KILL...

Thank you @casparvl for taking care of the checks. This PR might not be complete at this point but it is a start for many of us. l can refine...

@boegelbot please test @ generoso

Dependencies are back now and it should build. The problem is with CMake that was not built with zstd support. I have found configurable workaround for that.

LGTM