Add contribution guidelines for LLM usage

[JoviDeCroock]

Added guidelines for using LLMs in contributions to ensure transparency and maintain collaborative integrity.

See #801

Maybe even better as a code of conduct so we can just close and warn? Could copy the one over from preactjs preactjs/preact#4961

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Latest commit: 208162e

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[github-actions]

Size Change: 0 B

Total Size: 106 kB

ℹ️ View Unchanged

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packages/preact/dist/signals.mjs	1.67 kB
packages/react-transform/dist/signals-*********.js	6.89 kB
packages/react-transform/dist/signals-transform.mjs	6.09 kB
packages/react-transform/dist/signals-transform.umd.js	7.01 kB
packages/react/dist/signals.js	188 B
packages/react/dist/signals.mjs	150 B

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[JoviDeCroock]

Covered by preactjs/.github#3