Version bump for zenodo

literally passing everything to paperqa to see if it works ffs

up version

Merge pull request #33 from ur-whitelab/chemspace-tools

fixing build workflow

up vers

correct tool name

rewrote most of rxn4chem wrapper. looks nicer (+works!)

pinning langchain_core version, solves #14

flexib langchain ver compatible with HF spaces

README - update pypi badges + doi