Add [CodeRabbit] PR Reviews Badge

[aravindputrevu]

📋 Description

This badge will show the number of Pull Requests analyzed by CodeRabbit, an AI-powered code review platform. The badge helps developers showcase their commitment to code quality through automated code reviews.

Service: CodeRabbit (https://coderabbit.ai/)
Information shown: Number of PRs analyzed by CodeRabbit AI

"CodeRabbit: 101 Reviews"

🔗 Data

The data comes from CodeRabbit's public API endpoint:

GET https://api.coderabbit.ai/stats/:provider/:org/:repo

This is a public API endpoint
No authentication required
Returns JSON in the format: {"prCount": 125}

Example Usage

![CodeRabbit Reviews](https://img.shields.io/coderabbit/stats/github/org-name/repo-name)

🎤 Motivation

Developers using CodeRabbit want to showcase that their repositories are being actively reviewed by AI, indicating their commitment to code quality and security. We have more than 50k+ OSS projects under review. By searching on GH you will see around 500k+ PRs in OSS that we reviewed. We reviewed total of 5M+ PRs and 1M+ installed repos.

This badge will:

• Show the community that the repository uses automated code review
• Display the volume of PRs being analyzed, indicating active development
• Help promote code quality best practices through visible metrics