live-image-tracking-tools/geff

AI Summary: Implement functions within the geff Python library to convert common graph data formats (e.g., those supported by libraries like NetworkX) into the geff format. These functions should be added as optional dependencies to avoid unnecessary installations for users who don't need them.

AI Summary: Implement reading and writing capabilities for the Graph Exchange File Format (geff) library using the rustworkx graph library. This involves adding functions to convert between the geff format and the rustworkx internal representation.