Add relation support in cli#6

Open

devsecur wants to merge 3 commits intostrapi:masterfrom

devsecur:master

Commits on Dec 18, 2019

added rfc for relation support in cli

Braun, Tobias
authored and
Braun, Tobias
committed

Commits on Dec 19, 2019

update rfc reflecting proposed changes regarding file and interactive cli including file format
devsecur
committed
extended relation type following relations.js
devsecur
committed