TODO

• Starting from LobsterPy's Analysis().chemenv.get_light_structure_environment() (lse from LobsterNeighbors), extract edge-related features (distances, and, if nodes are only cations, cation-anion-cation angles, connectivities, ...).
• Add these edge-related features to
  • Description().write_description()
  • featurize module
  • Analysis().condensed_bonding_analysis (?)