Break hello_world into find_first_queue, list, and receive

[DavidSouther]

aws-doc-sdk-examples Pull Request

Thank you for making a submission to the aws-doc-sdk-examples repository. For more information about submitting pull requests to this repository, see Guidelines for contributing.

---

I'm resolving an issue with an existing code example

Describe the changes you have made here, including any issue numbers.

Confirm you have met the following minimum requirements:

• [X] Test the changed code. For recommendations, see How we test code examples.
• [X] Run a linter against the changed code and implement the resulting suggestions. For recommendations, see Linters run on check in.

---

Open source license adherence

By submitting this pull request, I confirm that my contribution is made under the terms of the Apache 2.0 license.

[DavidSouther]

Closes #3496