feat(docker): add Docker service integration and config serialization

Add Docker service integration with FastAPI server and client implementation.
Implement serialization utilities for BrowserConfig and CrawlerRunConfig to support
Docker service communication. Clean up imports and improve error handling.

- Add Crawl4aiDockerClient class
- Implement config serialization/deserialization
- Add FastAPI server with streaming support
- Add health check endpoint
- Clean up imports and type hints

deploy/docker/models.py

@@ -8,6 +8,7 @@ from crawl4ai import (
     BM25ContentFilter,
     LLMContentFilter,
     # Add other strategy classes as needed
+    
 )
 
 class StrategyConfig(BaseModel):