Data Exchange - Structural storage and interface

[dpasukhi]

Description

Create a new package DEDoc which will interface to XCAF.
The main idea - strict interface, fast interaction and memory usage.
The interface will store own instances of data and can extract tree and attributes from XCAF and put them from own storage.
The interface will replace XCAFEdit_AssemblyIterator with more DE specific storage

TODO:
drawio schema

Use Case

Extraction information after reading or preparing information to export.

Benefits

Clear interface, fast interaction.

Additional Context

No response