chore: add package support metadata

[YfengJ]

Summary

• add the npm homepage field pointing to the repository README
• add the npm bugs.url field pointing to the GitHub issues page

Validation

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

[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: 2508db9b-368b-4d16-aac8-52749d543004

📥 Commits

Reviewing files that changed from the base of the PR and between b2673ea and 27fd2aa.

📒 Files selected for processing (1)

• package.json

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📝 Walkthrough

Walkthrough

The package.json manifest is updated to include two new metadata fields: a homepage URL and a bugs object containing the GitHub issues URL. No functional code, dependencies, or other manifest fields are modified.

🚥 Pre-merge checks | ✅ 5

✅ Passed checks (5 passed)

Check name	Status	Explanation
Title check	✅ Passed	The title 'chore: add package support metadata' clearly and concisely describes the main change: adding package metadata fields (homepage and bugs.url) to package.json.
Description check	✅ Passed	The description is directly related to the changeset, providing clear details about what metadata fields are being added and comprehensive validation steps performed.
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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