Foyer 0.9.3

Features

• Add combining rule to TRAPPE-UA XML (#452)
• Integrate ele to the atomtyping step (#428)
• Update SMARTS string for opls_154 (#450)

Bug Fix

• Collapsing combining_rule of forcefield when loading multiple forcefield files (#442)

Maintenance

• Fix typo in pre-commit yml (#439)
• Add Foyer graphic to README.md (#443)
• Update Foyer documentation (#415)
• Pre-commit autoupdate (#444, #445, #449)
• Migrate azure pipeline environment creation use mamba (#447)
• Update docker building routine (#451)