Merge pull request #113 from aws-samples/maxday/add-java-profiler-extension

feat: add java profiler extension

Author: julianwood

java-experimental-profiler-extension/README.md

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+# AWS Lambda Profiler Extension for Java
+
+The Lambda profiler extension allows you to profile your Java functions invoke by invoke, with high fidelity, and no code changes. It uses the async-profiler project to produce profiling data and automatically uploads the data as HTML flame graphs to S3.
+
+[🚀 See code on instruction on how to get started here](https://github.com/aws/aws-lambda-java-libs/tree/main/experimental/aws-lambda-java-profiler)