YAML config for CodeRabbit AI

[pranshugupta54]

Is your feature request related to a problem? Please describe.
We recently added CodeRabbit AI for reviewing PRs, it requires us to have a YAML config file for all the settings to be followed.

Describe the solution you'd like
Configure using CodeRabbit YAML File

Describe alternatives you've considered
Configure using CodeRabbit UI

Approach to be followed (optional)
A clear and concise description of approach to be followed.

Additional context
Using the docs - https://docs.coderabbit.ai/guides/configure-coderabbit/

Potential internship candidates
Please read this if you are planning to apply for a Palisadoes Foundation internship PalisadoesFoundation/talawa#359