Acknowledge all contributors

[Ilias Woithe]

The Problem
Currently only people who contribute code are recognised.

Solution(s)
All Contributors

@Correct-Syntax I would prefer it if we stick this in a separate file like CONTRIBUTORS.md, mostly to keep README.md relatively concise. Happy to discuss further if you disagree. 🙂

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If I forget, remind me of this in the future https://allcontributors.org/

@Correct-Syntax I figured that opening an issue would serve the best memory for us 🙂

[Noah Rahm]

I would prefer it if we stick this in a separate file like CONTRIBUTORS.md

That is a good idea. In that case, we may not even need to use All Contributors since we have a dedicated file to recognize all the contributions.