What's Changed
* Fix 159 rig json by jtyoung84 in https://github.com/AllenNeuralDynamics/aind-metadata-mapper/pull/160
* Patches issue with pydantic deserialization of a rig.json file. Long term, this should be fixed in aind-data-schema.
**Full Changelog**: https://github.com/AllenNeuralDynamics/aind-metadata-mapper/compare/v0.18.1...v0.18.2