Add contributors

[irm-codebase]

Add initial list of contributors

[irm-codebase]

@all-contributors please add @sjpfenninger for ideas, docs

[allcontributors]

@irm-codebase

I've put up a pull request to add @sjpfenninger! 🎉

[irm-codebase]

@all-contributors please add @brynpickering for ideas, docs

[allcontributors]

@irm-codebase

I've put up a pull request to add @brynpickering! 🎉

[irm-codebase]

@all-contributors please add @tud-mchen6 for ideas

[allcontributors]

@irm-codebase

I've put up a pull request to add @tud-mchen6! 🎉

[irm-codebase]

@all-contributors please add @jnnr for ideas, docs

[allcontributors]

@irm-codebase

I've put up a pull request to add @jnnr! 🎉

[irm-codebase]

@all-contributors please add @irm-codebase for ideas, docs

[allcontributors]

@irm-codebase

I've put up a pull request to add @irm-codebase! 🎉