docs: simplify hooks documentation wording

[chenjiahan]

Summary

Improve clarity in hooks documentation for dev, build and preview commands.

Checklist

• Tests updated (or not required).
• Documentation updated (or not required).

[netlify]

✅ Deploy Preview for rsbuild ready!

Name	Link
🔨 Latest commit	978148c
🔍 Latest deploy log	https://app.netlify.com/projects/rsbuild/deploys/6916c5d458ecce00080e097c
😎 Deploy Preview	https://deploy-preview-6576--rsbuild.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.
Lighthouse	1 paths audited Performance: 81 (🟢 up 19 from production) Accessibility: 97 (no change from production) Best Practices: 100 (no change from production) SEO: 100 (no change from production) PWA: 60 (no change from production) View the detailed breakdown and full score reports

---

To edit notification comments on pull requests, go to your Netlify project configuration.

[Copilot]

Pull Request Overview

This PR simplifies the hooks documentation by removing redundant wording and improving readability. The changes maintain consistency across both English and Chinese documentation versions.

Key Changes:

• Removed the qualifier "only" from section descriptions to make the language more concise
• Changed section introductions to use colons instead of periods for better formatting
• Removed detailed explanatory text about close hook triggers to streamline the documentation

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
website/docs/en/plugins/dev/hooks.mdx	Simplified English documentation for Dev, Build, and Preview hooks sections
website/docs/zh/plugins/dev/hooks.mdx	Simplified Chinese documentation for Dev, Build, and Preview hooks sections with parallel changes

---

💡 Add Copilot custom instructions for smarter, more guided reviews. Learn how to get started.