#2 Defining composite data types available in libraries

[FX89]

Currently, if a node in the model is not a primitive and does not have a type node in the same model, the builder stops the execution and highlights the missing type. We need a way to tell the builder that the missing type is actually provided by a library which must be included in the project. This information should be defined in an addon file that should be provided as an optional parameter to the builder.