Update link to docs in README.md (#2403)

* Update link to docs in README.md

* Apply suggestions from code review

Co-authored-by: Jen Gilbert <[email protected]>

---------

Co-authored-by: Jen Gilbert <[email protected]>
Co-authored-by: skarimo <[email protected]>

Author: 3 people

README.md

@@ -166,7 +166,7 @@ with ApiClient(configuration) as api_client:
 
 ## Documentation for API Endpoints and Models
 
-Documentation for API endpoints and models are available on [readthedocs](https://datadog-api-client.readthedocs.io/).
+Documentation for API endpoints and models is available in the [API Client docs](https://datadoghq.dev/datadog-api-client-python/).
 
 ## Documentation for Authorization