Feature/api documentation

[ajayanand003]

API Documentation Task

Description

Create comprehensive API documentation for the PlantPal project, including all endpoints, authentication, error handling, and integration guides.

Requirements

• Document all API endpoints
• Add request/response examples
• Create authentication guide
• Document error codes
• Add integration examples
• Create OpenAPI specification
• Write testing guide

Implementation Details

The documentation includes:

1. OpenAPI specification with detailed endpoint documentation
2. Authentication guide with JWT implementation
3. Error handling guide with standard formats
4. Testing guide with examples
5. Integration guide with code samples

Files Added

• docs/api/openapi.yaml
• docs/api/authentication.md
• docs/api/error-handling.md
• docs/api/testing.md
• docs/api/integration.md

Status

✅ Completed

Pull Request

[Link to PR: feature/api-documentation]

[ajayanand003]

fixes #7