Initial Flutter project and Sign in Feature

[hiranthaR]

Description

• Initialized Flutter project with Android and Ios module for the CodeLabz project.
• Added Sign in feature for the authentication with firebase authentication

Related Issues

#2 Initial Project Setup
#3 Sign In Features

Flutter Project Modules

• Android - Kotlin
• Ios - Swift

Project Architecture

Flutter project Architectured as the above diagram. For now, Instead of Local Data Sources and API Data Sources, There are only Firebase Data sources.

Implemented Features

• Initial project Setup
• Project architecture
• Splash Screen
• Sign in with Google
• Sign in with Email and Password

How Has This Been Tested?

• Manual test google sign in feature
• Manual test sign in with email and password feature

Screenshots

Screen Name	Screen shot
Splash screen
Login screen

TODO

• implement unit Tests
• implement Facebook login feature (need some work with web view and a Facebook project)
• implement Twitter Login
• implement Github Login

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.