Add Swagger API Documentation for Backend APIs #5
Description
Summary
Add Swagger (OpenAPI) documentation for backend APIs to make them easy to understand and test.
Tasks
- Integrate Swagger UI with Express server
- Document student and instructor APIs
- Add request and response examples
- Document JWT protected routes
- Add Razorpay related endpoints
- Expose docs at
/api-docs
Outcome
Developers can view, test, and integrate APIs directly from the browser.