Integration with nexus-forge

[eugeniashurko]

BlueGraph's PGFrame needs to provide means for interacting with nexus-forge.

Currently, resources can be converted to pandas dataframes that can be easily transformed into nodes/edges of property graphs.

Possible questions:

• Is there a way to design a forge Store for PGFrame?
• In that case what is a resource (node/edge/property or an entire PGFrame)