docs: add kylemh as a contributor

[allcontributors[bot]]

Adds @kylemh as a contributor for review, question.

This was requested by agilgur5 in this comment

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[agilgur5]

For reviewing #805 and #778 and answering questions on Storybook things like https://github.com/formium/tsdx/issues/702#issuecomment-678610513