Remove dependency on psutil, PyYaml, and extend requests version range

README.md

@@ -39,7 +39,6 @@ Crawl4AI simplifies asynchronous web crawling and data extraction, making it acc
 - 🔄 Session management for complex multi-page crawling scenarios
 - 🌐 Asynchronous architecture for improved performance and scalability
 
-
 ## Installation 🛠️
 
 Crawl4AI offers flexible installation options to suit various use cases. You can install it as a Python package or use Docker.
@@ -56,9 +55,21 @@ For basic web crawling and scraping tasks:
 pip install crawl4ai
 ```
 
-By default this will install the asynchronous version of Crawl4AI, using Playwright for web crawling.
+By default, this will install the asynchronous version of Crawl4AI, using Playwright for web crawling.
 
-    👉 Note: The standard version of Crawl4AI uses Playwright for asynchronous crawling. If you encounter an error saying that Playwright is not installed, you can run playwright install. However, this should be done automatically during the setup process.
+👉 Note: When you install Crawl4AI, the setup script should automatically install and set up Playwright. However, if you encounter any Playwright-related errors, you can manually install it using one of these methods:
+
+1. Through the command line:
+   ```bash
+   playwright install
+   ```
+
+2. If the above doesn't work, try this more specific command:
+   ```bash
+   python -m playwright install chromium
+   ```
+
+This second method has proven to be more reliable in some cases.
 
 #### Installation with Synchronous Version