Syndirella

Lowered Postera API max pages parameter to 10.

Updated reaction smirks, added new additional reaction options, and updated documentation to provide a tutorial on editing.

Updated error handling for a failed API Postera Manifold query. If a query completely fails, will error out pipeline.

What's Changed
* tiny docs fix by mwinokan in https://github.com/kate-fie/syndirella/pull/74
* added `--no_scaffold_place` CLI option

**Full Changelog**: https://github.com/kate-fie/syndirella/compare/v2.2.0-alpha...v2.2.1-alpha

Added justretroquery function.

Updated Ester Amidation SMIRKS