Refactor instances of data reduction across documents

[ethanjweiner]

Feature: Refactor instances of data reduction across documents

Ideas:

• Avoid needing to retrieve all documents to retrieve collection-wide data
• Instead, store important metrics in parent documents: Employee, Company, or Customer
• e.g. Store employee-wide payment metrics in the employee document
• Use cloud functions to handle this?

Other:

[ethanjweiner]

Handle this when our database & number of users increases