add link to docs page for the integration with drf-spectacular

Author: ghazi-git

docs/changelog.md

@@ -7,6 +7,8 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/).
 ## [UNRELEASED]
 ### Added
 - add support for automatically generating error responses schema with [drf-spectacular](https://github.com/tfranzel/drf-spectacular).
+Check out the [corresponding documentation page](https://drf-standardized-errors.readthedocs.io/en/latest/openapi.html)
+to know more about the integration with drf-spectacular.
 - add support for django 4.1
 
 ## [0.11.0] - 2022-06-24