Support for local storage emulator

[vbeffa]

Is your feature request related to a problem? Please describe.
Good development practice is to use local database in local environment. Postgres and Firestore running locally is ideal.

Describe the solution you'd like
Ability to configure the credentials to point to the local firestore emulator.

Describe alternatives you've considered
N/A

Additional context
N/A

[davidgraeff]

I agree. I haven't used a local firestore emulator yet, because it is so easy to just setup a -dev mirror / have a developer variant of an existing firestore. I'm open to PR to add this functionality.