Show a generated artwork when the audio thumbnail is absent

[dhruvkb]

Fixes

Fixes #349 by @zackkrida

Description

This PR adds the code for generating the album art when the audio artwork does not exist or if the image raises an error. It also adds the 'V-' prefix to the component name.

Testing Instructions

0. Check out the PR and run Storybook.
1. Check out the VAudioThumbnail stories and docs.

Screenshots

Checklist

• My pull request has a descriptive title (not a vague title like Update index.md).
• My pull request targets the default branch of the repository (main) or a parent feature branch.
• My commit messages follow best practices.
• My code follows the established code style of the repository.
• I added or updated tests for the changes I made (if applicable).
• I added or updated documentation (if applicable).
• I tried running the project locally and verified that there are no visible errors.

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[zackkrida]

Flawless execution. So great. You simplified the p5 code and documented the new mathematical functions so clearly 👍

[sarayourfriend]

This is awesome! So creative, I really admire how you solved this!!!

I tested it locally and it works great. I tried to do some light performance testing by throwing 20 of them into the story and visiting the non-iframe version of the story on a low-power android device. There was a slight difference between loading only one and loading 20 and I tried several times for each one to make sure I wasn't perceiving slowness or just hitting a bump in the network... I think it is fine. If there really is a difference then it is miniscule.

Anyway, really great work, such a cool solution 😀

[dhruvkb]

I had a couple of mathematical computing courses in college. Really came in handy today!