Document legal argument types for drivers

[doppleware]

@yaniv-k : " We don’t talk anywhere in the dev guide about the options of the Type attribute (string/lookup…) and that you can’t have non-scalar user inputs (arrays/dictionaries/objects, etc)"

[TomerAdmon]

@Shnitselon - do we have a task about this issue?

[Shnitselon]

@TomerAdmon not sure I understand. let's talk about it.

[Shnitselon]

@GalcQuali What attributes types do we support in shells?

[Shnitselon]

Hi @Costya-Y , please have a look at doppleware's comment and advise. Thanks a lot