Remove PagePoolConfig in favor of direct page management in browser strategies.
Add get_pages() method for efficient parallel page creation.
Improve storage state handling and persistence.
Add comprehensive parallel crawling tests and performance analysis.
BREAKING CHANGE: Removed PagePoolConfig class and related functionality.
Adds a new browser management system with strategy pattern implementation:
- Introduces BrowserManager class with strategy pattern support
- Adds PlaywrightBrowserStrategy, CDPBrowserStrategy, and BuiltinBrowserStrategy
- Implements BrowserProfileManager for profile management
- Adds PagePoolConfig for browser page pooling
- Includes comprehensive test suite for all browser strategies
BREAKING CHANGE: Browser management has been moved to browser/ module. Direct usage of browser_manager.py and browser_profiler.py is deprecated.
