Commit Message:

Enhance Crawl4AI with CLI and documentation updates
  - Implemented Command-Line Interface (CLI) in `crawl4ai/cli.py`
  - Added chunking strategies and their documentation in `llm.txt`

docs/llm.txt/3_async_webcrawler.q.md

@@ -0,0 +1,81 @@
+### Questions
+
+1. **Asynchronous Crawling Basics**
+   - *"How do I perform asynchronous web crawling using `AsyncWebCrawler`?"*
+   - *"What are the performance benefits of asynchronous I/O in `crawl4ai`?"*
+
+2. **Browser Configuration**
+   - *"How can I configure `BrowserConfig` for headless Chromium or Firefox?"*
+   - *"How do I set viewport dimensions and proxies in the `BrowserConfig`?"*
+   - *"How can I enable verbose logging for browser interactions?"*
+
+3. **Docker and Containerization**
+   - *"How do I run `AsyncWebCrawler` inside a Docker container for scalability?"*
+   - *"Which dependencies are needed in the Dockerfile to run asynchronous crawls?"*
+
+4. **Crawling Strategies**
+   - *"What is `AsyncPlaywrightCrawlerStrategy` and when should I use it?"*
+   - *"How do I switch between different crawler strategies if multiple are available?"*
+
+5. **Handling Dynamic Content**
+   - *"How can I inject custom JavaScript to load more content or simulate user actions?"*
+   - *"What is the best way to wait for specific DOM elements before extracting content?"*
+
+6. **Extraction Strategies**
+   - *"How do I use `JsonCssExtractionStrategy` to extract structured JSON data?"*
+   - *"What are the differences between regex-based chunking and NLP-based chunking?"*
+   - *"How can I integrate `LLMExtractionStrategy` for more intelligent data extraction?"*
+
+7. **Caching and Performance**
+   - *"How does caching improve the performance of asynchronous crawling?"*
+   - *"How do I clear or bypass the cache in `AsyncWebCrawler`?"*
+   - *"What are the available `CacheMode` options and when should I use each?"*
+
+8. **Batch Crawling and Concurrency**
+   - *"How do I crawl multiple URLs concurrently using `arun_many`?"*
+   - *"How can I limit concurrency with `semaphore_count` for resource management?"*
+
+9. **Scaling Crawls**
+   - *"What strategies can I use to scale asynchronous crawls across multiple machines?"*
+   - *"How do I integrate job queues or distribute tasks for larger crawl projects?"*
+
+10. **Screenshots and PDFs**
+    - *"How do I enable screenshot or PDF capture during a crawl?"*
+    - *"How can I save visual outputs for troubleshooting rendering issues?"*
+
+11. **Troubleshooting**
+    - *"What should I do if the browser fails to launch or times out?"*
+    - *"How do I debug JavaScript code injections that don’t work as expected?"*
+    - *"How can I handle partial loads or missing content due to timeouts?"*
+
+12. **Best Practices**
+    - *"How do I handle authentication or session management in `AsyncWebCrawler`?"*
+    - *"How can I avoid getting blocked by target sites, e.g., by using proxies?"*
+    - *"What error handling approaches are recommended for production crawls?"*
+    - *"How can I adhere to legal and ethical guidelines when crawling?"*
+
+13. **Configuration Options**
+    - *"How do I customize `CrawlerRunConfig` parameters like `mean_delay` and `max_range`?"*
+    - *"How can I run the crawler non-headless for debugging dynamic interactions?"*
+
+14. **Integration and Reference**
+    - *"Where can I find the GitHub repository or additional documentation?"*
+    - *"How do I incorporate Playwright’s advanced features with `AsyncWebCrawler`?"*
+
+### Topics Discussed in the File
+
+- **Asynchronous Crawling and Performance**  
+- **`AsyncWebCrawler` Initialization and Usage**  
+- **`BrowserConfig` for Browser Choice, Headless Mode, Viewport, Proxy, and Verbosity**  
+- **Running Crawlers in Docker and Containerized Environments**  
+- **`AsyncPlaywrightCrawlerStrategy` and DOM Interactions**  
+- **Dynamic Content Handling via JavaScript Injection**  
+- **Extraction Strategies (e.g., `JsonCssExtractionStrategy`, `LLMExtractionStrategy`)**  
+- **Content Chunking Approaches (Regex and NLP-based)**  
+- **Caching Mechanisms and Cache Modes**  
+- **Parallel Crawling with `arun_many` and Concurrency Controls**  
+- **Scaling Crawls Across Multiple Workers or Containers**  
+- **Screenshot and PDF Generation for Debugging**  
+- **Common Troubleshooting Techniques and Error Handling**  
+- **Authentication, Session Management, and Ethical Guidelines**  
+- **Adjusting `CrawlerRunConfig` for Delays, Concurrency, Extraction, and JavaScript Injection**