feat: add support for custom Chrome args in launchBrowser

[konard]

Summary

• Add args option to launchBrowser function to allow passing custom Chrome arguments
• Custom args are appended to the default CHROME_ARGS
• Useful for headless server environments (Docker, CI/CD) requiring flags like --no-sandbox

Changes

• src/browser/launcher.js: Add args option, combine with default CHROME_ARGS
• tests/unit/browser/launcher.test.js: Add unit tests for the new option
• README.md: Add API documentation for launchBrowser function
• .changeset/add-custom-chrome-args.md: Add changeset for minor version bump

Usage Example

import { launchBrowser } from 'browser-commander';

const { browser, page } = await launchBrowser({
  engine: 'puppeteer',
  headless: true,
  args: ['--no-sandbox', '--disable-setuid-sandbox', '--disable-dev-shm-usage'],
});

Test plan

• Unit tests pass (356 passing)
• Lint checks pass
• Format checks pass
• CI workflow passes

Fixes #11

🤖 Generated with Claude Code

[konard]

🤖 Solution Draft Log

This log file contains the complete execution trace of the AI solution draft process.

💰 Cost estimation:

• Public pricing estimate: $3.585705 USD
• Calculated by Anthropic: $2.192101 USD
• Difference: $-1.393604 (-38.87%)
  📎 Log file uploaded as GitHub Gist (424KB)
  🔗 View complete solution draft log

---

Now working session is ended, feel free to review and add any feedback on the solution draft.