chore: Add issue templates to the repo

[rschristian]

Way too many bug reports have no info on which library they're using, much less reproductions. Hopefully this will help

Mostly copied from the main Preact repo

[changeset-bot]

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Latest commit: 18af145

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[github-actions]

Size Change: 0 B

Total Size: 80.5 kB

ℹ️ View Unchanged

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docs/dist/react-********.js	242 B
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packages/core/dist/signals-core.mjs	1.48 kB
packages/preact/dist/signals.js	1.27 kB
packages/preact/dist/signals.mjs	1.22 kB
packages/react-transform/dist/signals-*********.js	4.76 kB
packages/react-transform/dist/signals-transform.mjs	4 kB
packages/react-transform/dist/signals-transform.umd.js	4.87 kB
packages/react/dist/signals.js	189 B
packages/react/dist/signals.mjs	150 B

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