Create the wait time api (sourcing and computation)

[benjaminkostiuk]

Create the Wait Time API. This will involve multiple components can should be split up into separate issues:

• Create the firebase collection to anything related to wait times if not present already.

  • Write a script to pre-populate any data that we want to include for pois. Pre-populate the database.

• Create a data models in python to encode the data retrieved/added when interacting with firebase

• Create the endpoint functions that will return the rest data

  • Might also need to update the existing POI endpoints since this provides them the latest updates if they don't fetch it themselves.

• Write the endpoint openapi 3.0 specification for the endpoints coded.

• Create a service class to support the endpoints and perform any logical computations needed.

• Write tests for the above.

• Figure out how we can go about testing this functionality. Some sort of automated testing system would be ideal

Definition of done

• The wait time api should work as expected with all data being stored and pulled from firebase databases.