Missing method to add ExternalVHDLLibrary

[RasmusGOlsen]

There is no method to add External VHDL libraries to a design.

[Paebbels]

Good point. What properties to for an external library store?

• Name
• Path on disk
• ..?

[RasmusGOlsen]

I think it should be of type VHDLLibrary. I have made some extensions to the classes as shown in this example.
https://github.com/SimplHDL/simplhdl/tree/devel/src/simplhdl/pyedaa