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/16_storage_state_q.md

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+### Hypothetical Questions
+
+1. **Basic Concept of `storage_state`**
+   - *"What is `storage_state` and how does it help me maintain session data across crawls?"*
+   - *"Can I directly provide a dictionary of cookies and localStorage data, or do I need a file?"*
+
+2. **Cookies and LocalStorage Handling**
+   - *"How do I set cookies and localStorage items before starting my crawl?"*
+   - *"Can I specify multiple origins and different sets of localStorage keys per origin?"*
+
+3. **Using a `storage_state` File**
+   - *"How do I load session data from a JSON file?"*
+   - *"Can I export the current session state to a file and reuse it later?"*
+
+4. **Login and Authentication Scenarios**
+   - *"How can I use `storage_state` to skip the login process on subsequent runs?"*
+   - *"What’s the workflow for logging in once, exporting the session data, and then starting future crawls already logged in?"*
+
+5. **Updating or Changing the Session State**
+   - *"What if my session expires? Can I refresh the session and update the `storage_state` file?"*
+   - *"How can I revert to a 'logged out' state by clearing tokens or using a sign-out scenario?"*
+
+6. **Practical Use Cases**
+   - *"If I’m crawling a series of protected pages from the same site, how can `storage_state` speed up the process?"*
+   - *"Can I switch between multiple `storage_state` files for different accounts or different states (e.g., logged in vs. logged out)?"*
+
+7. **Performance and Reliability**
+   - *"Will using `storage_state` improve my crawl performance by reducing repeated actions?"*
+   - *"Are there any risks or complications when transferring `storage_state` between different environments?"*
+
+8. **Integration with Hooks and Configurations**
+   - *"How do I integrate `storage_state` with hooks for a one-time login flow?"*
+   - *"Can I still customize browser or page behavior with hooks if I start with a `storage_state`?"*
+
+### Topics Discussed in the File
+
+- **`storage_state` Overview**:  
+  Explaining that `storage_state` is a mechanism to start crawls with preloaded cookies and localStorage data, eliminating the need to re-authenticate or re-set session data every time.
+
+- **Data Formats**:  
+  You can provide `storage_state` as either a Python dictionary or a JSON file. The JSON structure includes cookies and localStorage entries associated with specific domains/origins.
+
+- **Practical Authentication Workflows**:  
+  Demonstrating how to log in once (using a hook or manual interaction), then save the resulting `storage_state` to a file. Subsequent crawls can use this file to start already authenticated, greatly speeding up the process and simplifying pipelines.
+
+- **Updating or Changing State**:  
+  The crawler can export the current session state to a file at any time. This allows reusing the same authenticated session, switching states, or returning to a baseline state (e.g., logged out) by applying a different `storage_state` file.
+
+- **Integration with Other Features**:  
+  `storage_state` works seamlessly with `AsyncWebCrawler` and `CrawlerRunConfig`. You can still use hooks, JS code execution, and other Crawl4AI features alongside a preloaded session state.
+
+In summary, the file explains how to use `storage_state` to maintain and reuse session data (cookies, localStorage) across crawls in Crawl4AI, demonstrating how it streamlines workflows that require authentication or complex session setups.