add working jsu-compile based bowtie with C backend

[zx80]

The idea is to add the different jsu compiler backends, this is the first with the C backend,

I have also working harnesses for js, java and perl which share the same script to run the commands but distinct containers to provide the appropriate runtime. There may also be one later for PL/pgSQL, which requires more wrapping. I'm planning to submit the other ones once your are happy with the common harness script.

In theory, the result should be the same as the python-jsu, in practice, there may be minutes differences due to backend bugs or limitations, hence the point of adding them as well.

[read-the-docs-community]

Documentation build overview

📚 Bowtie | 🛠️ Build #31774121 | 📁 Comparing fe17aa9 against latest (472da8c)

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[zx80]

I think I've done what you asked.

If this is okay, I'll also submit the version for Perl, Java and JavaScript, either as one submission or 3, as your wish.

[Julian]

I actually am on vacation so I hadn't seen your response (nor rereviewed the PR) -- it's possible I misunderstood the intention and gave wrong feedback, I was assuming this new harness could subsume the old one, but if indeed you think it's worth running the implementation differently then it's all fine to keep separate.

I'll have another review when I'm back from vacation.

'll also submit the version for Perl, Java and JavaScript, either as one submission or 3, as your wish.

One is fine!

Thanks!