Iteration 1 - Social type app

For this first iteration, the following elements and functionalities extracted from the requirements document provided are considered.

Basic UI:
- Auth workflow

Final UI design:
- Main screen
- Detailed post view
- Viral screen

Functionalities
- Basic auth workflow (email/password firebase auth sign up/login)
- Post, like and comment
- Others Functionalities associated with Main screen, Viral screen and Auth workflow.