Setup the Firebase Local Emulator

[mikaelacaron]

Details

• Following this tutorial, set up the project to use the Firebase local emulator when developing and use real Firebase for production
• Update the README.md and CONTRIBUTING.md with instructions about how to use the Firebase local emulator, if needed (if you're not sure what to say for set up, comment in the PR and Mikaela can update it)

Describe alternatives you've considered

• N/A

Additional context

• N/A

[nnethaji]

@mikaelacaron Can I work on this? Thanks

[n0rthk1n9]

@mikaelacaron I would like to take this please :)

[yashlangaliya]

@mikaelacaron I would like to work on this if its still available :)

[n0rthk1n9]

@yashlangaliya I DM'd @mikaelacaron that I'm still working on it. I'll reach out, if I need help :)

[mikaelacaron]

Fixed with #299 Thanks @n0rthk1n9 for all your work on this!