amber14sb/amber19sb: update ChemRxiv link
AMBER14SB and AMBER19SB contain a placeholder to the preprint describing force field conversion and validation. Now that the preprint is out, placeholder can be replaced with the actual URL:
AMBER14SB and AMBER19SB contain a placeholder to the preprint describing force field conversion and validation. Now that the preprint is out, placeholder can be replaced with the actual URL: