docs: update CHANGELOG.md and examples/README.md

Author: karel-rehor

CHANGELOG.md

@@ -1,5 +1,13 @@
 ## 1.49.0 [unreleased]
 
+### Bug Fixes
+
+1. [#682](https://github.com/influxdata/influxdb-client-python/pull/682): Check core types when creating Authentication instances.
+
+### Examples
+
+1. [#682](https://github.com/influxdata/influxdb-client-python/pull/682): New example for working with Authentication API.
+
 ## 1.48.0 [2024-11-27]
 
 ### Bug Fixes

examples/README.md

@@ -28,6 +28,7 @@
 - [monitoring_and_alerting.py](monitoring_and_alerting.py) - How to create the Check with Slack notification.
 - [task_example.py](task_example.py) - How to create a Task by API
 - [templates_management.py](templates_management.py) - How to use Templates and Stack API
+- [authorizations.py](authorizations.py) - How to create and use authorizations.
 
 ## InfluxDB Cloud