3.1.2 Implement working Firebase solution

[Jan-Stepien]

parent of #10
Waiting for the clarificaiton

[BeatriceMitchell]

@Jan-Stepien In regards to the behavior:
We want to have it perform a check before making the connection.

If they entered credentials: Connect to Firebase

If they did not enter credentials: Don't try to connect or mock. User selects their choice, submits, and it goes to the Thank You