Tutorial unsteady vortex shedding behind a cylinder

[bigfooted]

Proposed Changes

Give a brief overview of your contribution here in a few sentences.
Tutorial regression test for the unsteady vortex shedding behind a circular cylinder

• I am submitting my contribution to the develop branch.
• My contribution generates no new compiler warnings (try with --warnlevel=3 when using meson).
• My contribution is commented and consistent with SU2 style (https://su2code.github.io/docs_v7/Style-Guide/).
• I used the pre-commit hook to prevent dirty commits and used pre-commit run --all to format old commits.
• I have added a test case that demonstrates my contribution, if necessary.
• I have updated appropriate documentation (Tutorials, Docs Page, config_template.cpp), if necessary.

[pcarruscag]

It would be nice to finish your other PRs so we can have releases...

[bigfooted]

It would be nice to finish your other PRs so we can have releases...

I am happy to see that at least one person is eagerly awaiting my commits... :-)

[pcarruscag]

all but the 10 daily "merge develop" notifications 😛