Dartassembler

Fixes 5, which filtered out too many complexes with tridentates in the ligand clashing filter.

- Added support for Windows (3)
- Some other minor fixes (4)
- Improved documentation (1)

Restricted Python version to <=3.12 because in 3.13, something with RDKit seemed to fail.

Initial release of DARTassembler, the Python package to DART (Directed Assembly of Random Transition metal complexes).