Seting up backend for the codebadge project and depriciation of old code

[ayushnagar123]

Problem

Github Issue Number: #53 #51

PR includes:

• [X] depreciation of previous code
• [X] login
• [X] signup
• [X] fetching user details
• [X] fetching organization details
• [X] fetching organization members
• [X] Codebadge bot setup

Type of Change

• [ ] Bug fix
• [X] New Feature
• [ ] Development of UI/UX prototypes
• [ ] Small refactor
• [X] Change in Documentation

Checklist

• [X] My code follows the same style as the codebase
• [X] My Code change requires a change in documentation
• [X] I have updated the Readme accordingly
• [X] I made PR against development branch
• [X] I have run the test cases locally and it's passing.
• [ ] I have squashed my commits