chore: add package support metadata

[YfengJ]

Summary

• add npm homepage metadata pointing to the repository README
• add bugs.url metadata pointing to the GitHub issue tracker
• keep runtime code, dependencies, exports, package contents, and version unchanged

Validation

• node -e "const p=require('./package.json'); if(p.name!=='@rsbuild/plugin-eslint') throw new Error('bad name'); if(p.homepage!=='https://github.com/rstackjs/rsbuild-plugin-eslint#readme') throw new Error('bad homepage'); if(p.bugs?.url!=='https://github.com/rstackjs/rsbuild-plugin-eslint/issues') throw new Error('bad bugs'); console.log(JSON.stringify({name:p.name,version:p.version,homepage:p.homepage,bugs:p.bugs,repository:p.repository},null,2));"
• npm view @rsbuild/plugin-eslint@2.0.2 name version repository homepage bugs license --json
• pnpm install --frozen-lockfile --ignore-scripts
• pnpm run lint
• pnpm run build
• pnpm run test
• npm pack --dry-run --ignore-scripts --json .
• git diff --check

Note: npm pack --dry-run --ignore-scripts --json . still ran the repository's existing prepare hook and configured simple-git-hooks locally, but it did not create any tracked file changes.

[coderabbitai]

No actionable comments were generated in the recent review. 🎉

ℹ️ Recent review info

⚙️ Run configuration

Configuration used: Organization UI

Review profile: CHILL

Plan: Pro Plus

Run ID: 520a053a-edc6-4e00-b3aa-1104f613c192

📥 Commits

Reviewing files that changed from the base of the PR and between a1456f1 and 75a14d9.

📒 Files selected for processing (1)

• package.json

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📝 Walkthrough

Walkthrough

Two npm metadata fields are added to package.json: a homepage field pointing to the repository's README (https://github.com/rstackjs/rsbuild-plugin-eslint#readme) and a bugs block containing an issues URL (https://github.com/rstackjs/rsbuild-plugin-eslint/issues). No other files are changed.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title 'chore: add package support metadata' accurately summarizes the main change of adding homepage and bugs metadata to package.json.
Description check	✅ Passed	The description is directly related to the changeset, clearly explaining the metadata additions with validation steps and confirming no runtime code changes.
Docstring Coverage	✅ Passed	No functions found in the changed files to evaluate docstring coverage. Skipping docstring coverage check.
Linked Issues check	✅ Passed	Check skipped because no linked issues were found for this pull request.
Out of Scope Changes check	✅ Passed	Check skipped because no linked issues were found for this pull request.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests

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