Implements a new proxy rotation system with the following changes: - Add ProxyRotationStrategy abstract base class - Add RoundRobinProxyStrategy concrete implementation - Integrate proxy rotation with AsyncWebCrawler - Add proxy_rotation_strategy parameter to CrawlerRunConfig - Add example script demonstrating proxy rotation usage - Remove deprecated synchronous WebCrawler code - Clean up rate limiting documentation BREAKING CHANGE: Removed synchronous WebCrawler support and related rate limiting configurations
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17 KiB