Enhance Async Crawler with Playwright support

- Implemented new async crawler strategy using Playwright.
- Introduced ManagedBrowser for better browser management.
- Added support for persistent browser sessions and improved error handling.
- Updated version from 0.3.73 to 0.3.731.
- Enhanced logic in main.py for conditional mounting of static files.
- Updated requirements to replace playwright_stealth with tf-playwright-stealth.

requirements.txt

@@ -8,4 +8,4 @@ playwright>=1.47,<1.48
 python-dotenv~=1.0
 requests~=2.26
 beautifulsoup4~=4.12
-playwright_stealth~=1.0
+tf-playwright-stealth~=1.0