Add AudioCraft example

[andyland]

Before submitting

• Was this discussed/agreed via a Github issue? (no need for typos and docs improvements)
• Did you read the contributor guideline, Pull Request section?
• Did you make sure to update the docs?
• Did you write any new necessary tests?

What does this PR do?

Adds an example to the README for AudioCraft

PR review

Anyone in the community is free to review the PR once the tests have passed.
If we didn't discuss your PR in GitHub issues there's a high chance it will not be merged.

Did you have fun?

Make sure you had fun coding 🙃

[aniketmaurya]

Love this!! thank you for adding @andyland 🔥

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79%. Comparing base (3e5bb40) to head (c3b4b11).

Additional details and impacted files

@@         Coverage Diff         @@
##           main   #154   +/-   ##
===================================
- Coverage    80%    79%   -2%     
===================================
  Files        13     13           
  Lines       988    988           
===================================
- Hits        795    777   -18     
- Misses      193    211   +18