Add boto3 as an AI sink

Author: bitterpanda63

README.md

@@ -59,6 +59,7 @@ Zen instruments the following AI SDKs to track which models are used and how man
 * ✅ [`openai`](https://pypi.org/project/openai) ^1.0
 * ✅ [`anthropic`](https://pypi.org/project/anthropic/)
 * ✅ [`mistralai`](https://pypi.org/project/mistralai) ^1.0.0
+* ✅ [`boto3`](https://pypi.org/project/boto3) (AWS Bedrock)
 
 Zen is compatible with Python 3.8-3.13 and can run on Windows, Linux, and Mac OS X.