vortex shedding download script

[mnabian]

Modulus Pull Request

Description

Bringing back the dataset download script for vortex shedding that was accidentally removed

Checklist

• [x] I am familiar with the Contributing Guidelines.
• [x] New or existing tests cover these changes.
• [x] The documentation is up to date with these changes.
• [x] The CHANGELOG.md is up to date with these changes.

Dependencies

[mnabian]

/blossom-ci