Update README.md
Update API Documentation URL
- [Private repositories](/docs/job/private_repo.md): Configure SSH Keys for accessing private repositories
## API Documentation
-- [REST API](https://rebilly.github.io/ReDoc/?url=https://infrabox.ninja/api/swagger.json)
+- [REST API](https://redocly.github.io/redoc/?url=https://infrabox.ninja/api/swagger.json)
## Extending InfraBox
- [Custom Services](/docs/services/custom_services.md)
