Write CFD example into documentation

[EamonTracey]

Proposed Changes

I propose adding a new example to the TaskVine documentation. This is a real-world example of a TaskVine application currently used by the Notre Dame Rocketry Team to perform CFD simulations at high throughput.

Merge Checklist

The following items must be completed before PRs can be merge.
Check these off to verify you have completed all steps.

• make test Run local tests prior to pushing.
• make format Format source code to comply with lint policies. Note that some lint errors can only be resolved manually (e.g., Python)
• make lint Run lint on source code prior to pushing.
• Manual Update Update the manual to reflect user-visible changes.
• Type Labels Select a github label for the type: bugfix, enhancement, etc.
• Product Labels Select a github label for the product: TaskVine, Makeflow, etc.
• PR RTM Mark your PR as ready to merge.

[dthain]

This looks good overall, and glad you got it working.

However, the missing piece for anyone else who would want to use this is the assumption of how fluent is installed. Make sure you put into the instructions some discussion of how this assumes that Fluent has already been installed such that module load is used to activate it. That may be common but not a universal assumption;