Playwright proxies template

[jay-sahnan]

Summary

• Add Playwright proxies template demonstrating pure Playwright + Browserbase SDK

What's included

Both templates demonstrate three proxy configurations:

1. Built-in proxies - Automatic IP rotation via Browserbase
2. Geolocation proxies - Route traffic through specific locations (e.g., New York)
3. Custom external proxies - Use your own proxy servers (commented out by default)

New files:
python/playwright/proxies/
├── .env.example
├── main.py
├── pyproject.toml
└── README.md

typescript/playwright/proxies/
├── index.ts
├── package.json
└── README.md