[Docs]: Urls are incorrect

[GarrettBeatty]

Issue

https://github.com/aws/aws-durable-execution-sdk-java/blob/main/examples/README.md

the urls on the page such as SimpleStepExample are not linking to correct location

Page/Location

https://github.com/aws/aws-durable-execution-sdk-java/blob/main/examples/README.md

Suggested Fix

Update Urls

[zhongkechen]

@GarrettBeatty Thank you for reporting this. I just proposed a fix.