Finish Lvl1 assembly

[Gonza10V]

making Assembly lvl1 accept as input: List[CD] or CombDesign.

The idea is to make a for loop around the existing behavior.
The CombDesign will be implemented as an adapter where we first flatten the CombDesign producing the List[CD].
Implent a test

[Gonza10V]

If you cant download the CombDesign using partshot or you have issue flatten it Slack me

[Gonza10V]

Asses if you can add an abstract design URI to list of collections or if It is better to add it through the axiliriay SBOLDocument input on BuilCompiler.