improv: tweak README.md (aws-powertools#128)

Added cross-ref to Python implementation and clarified that the repo is Java-focused.

Author: bmicklea

README.md

@@ -1,8 +1,8 @@
-# Lambda Powertools
+# AWS Lambda Powertools (Java)
 
 ![aws provider](https://img.shields.io/badge/provider-AWS-orange?logo=amazon-aws&color=ff9900)
 
-A suite of utilities for AWS Lambda Functions that makes tracing with AWS X-Ray, structured logging and creating custom metrics asynchronously(Coming soon!) easier.
+A suite of utilities for AWS Lambda Functions that makes tracing with AWS X-Ray, structured logging and creating custom metrics asynchronously(Coming soon!) easier. ([AWS Lambda Powertools Python](https://github.com/awslabs/aws-lambda-powertools-python) is also available).
 
 **[📜Documentation](https://awslabs.github.io/aws-lambda-powertools-java/)** | **[Feature request](https://github.com/awslabs/aws-lambda-powertools-java/issues/new?assignees=&labels=feature-request%2C+triage&template=feature_request.md&title=)** | **[🐛Bug Report](https://github.com/awslabs/aws-lambda-powertools-java/issues/new?assignees=&labels=bug%2C+triage&template=bug_report.md&title=)** | **[Detailed blog post](https://aws.amazon.com/blogs/opensource/simplifying-serverless-best-practices-with-lambda-powertools/)**
 
@@ -86,4 +86,4 @@ See **[example](./example/README.md)** of all features, and a SAM template with
 
 ## License
 
-This library is licensed under the Apache License, Version 2.0. See the LICENSE file.
+This library is licensed under the Apache License, Version 2.0. See the LICENSE file.