See:
https://david-dm.org/angular-fullstack/angular-fullstack-deps/5.0.0
https://david-dm.org/angular-fullstack/angular-fullstack-deps/5.0.0?type=dev

Is your feature request related to a problem? Please describe.
Use of adaptive cards in the generated connector, new feature as of June 2020

Describe the solution you'd like
As above

Describe alternatives you've considered
There is no alternatives :-)

When a user would like to use yarn, it needs to be installed, even when --skip-install option is used.
I think this check could be moved to the actual install phase, simply throwing a warning like "Yarn is not installed, skipping install. Please install yarn on your machine." is enough.
What do you think, @HaNdTriX ?

Overview of the issue

Picking up from jhipster/generator-jhipster#4251 (comment)

I have decided to work on a GraphQL integration for nhipster in my master's thesis. I will start to work on this soon and I would like to hear the opinion of the developer team regarding the best approach on how to integrate my work in the jhipster ecosystem.

My initial