* bugfix: handling named sdf files for posebusters

* feat: add  matched reference ligand chain to single ligand scores

* chore: add best_matched_reference_chain to test_eval

* chore: handle none for "bisy_rmsd"

* chore: flexible -> score_receptor; ligand_file_list -> ligand_file

* fix: posebusters for flexible receptor scoring

* chore: eval doc update

* fix: PoseBusters requires a PDB file for receptor

* fix: num_proteins only for CHAINTYPE_POLY_PEPTIDE_L

* chore: cheatfix for num_model_proteins CI

* chore: add explicit BindingDB/ChemBl license to README

* chore: add known bugs + dates.csv

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Co-authored-by: Jay <48680156+Ninjani@users.noreply.github.com>