Add note about tradeoffs in current React integration

[andrewiggins]

In parallel, I'm also gonna explore some alternate implementations that offers different tradeoffs so teams can choose the best option for their project.

[changeset-bot]

🦋 Changeset detected

Latest commit: 08ed3a0

The changes in this PR will be included in the next version bump.

This PR includes changesets to release 1 package

Name	Type
@preact/signals-react	Patch

Not sure what this means? Click here to learn what changesets are.

Click here if you're a maintainer who wants to add another changeset to this PR

[netlify]

✅ Deploy Preview for preact-signals-demo ready!

Name	Link
🔨 Latest commit	08ed3a0
🔍 Latest deploy log	https://app.netlify.com/sites/preact-signals-demo/deploys/644c387b8649800008a15817
😎 Deploy Preview	https://deploy-preview-358--preact-signals-demo.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site settings.

[github-actions]

Size Change: 0 B

Total Size: 68.9 kB

ℹ️ View Unchanged

Filename	Size
docs/dist/assets/client.********.js	46.5 kB
docs/dist/assets/index.********.js	835 B
docs/dist/assets/jsxRuntime.module.********.js	282 B
docs/dist/assets/preact.module.********.js	4 kB
docs/dist/assets/signals-core.module.********.js	1.42 kB
docs/dist/assets/signals.module.********.js	1.97 kB
docs/dist/assets/style.********.js	21 B
docs/dist/assets/style.********.css	1.21 kB
docs/dist/basic-********.js	244 B
docs/dist/demos-********.js	3.35 kB
docs/dist/nesting-********.js	1.13 kB
docs/dist/react-********.js	237 B
packages/core/dist/signals-core.js	1.48 kB
packages/core/dist/signals-core.mjs	1.5 kB
packages/preact/dist/signals.js	1.2 kB
packages/preact/dist/signals.mjs	1.15 kB
packages/react/dist/signals.js	1.21 kB
packages/react/dist/signals.mjs	1.15 kB

_{compressed-size-action}