Define the sync logic between CAOD and MobilityDatabase

[ianktc]

Define the logic behind synchronizing the CAOD and MobilityDatabase. Consider: cadence.

Model after the existing scripts in https://github.com/MobilityData/mobility-feed-api/tree/main/functions-python/tasks_executor/src/tasks/data_import

Create a document and share it with the team and Caltrans.