Add troubleshooting section for micro-frontend support

**Describe the content issue**:
A clear and concise description of what the content issue is. Is there content missing or is there incorrect content?

https://github.com/aws-amplify/amplify-js/issues/12986#issuecomment-2183674965

**URL page where content issue is**:
Add section on this page per Hui's discoveries and suggestions tied to configuring bundlers accordingly: https://docs.amplify.aws/react/build-a-backend/troubleshooting/