chore: Update configuration values for chunk token threshold, overlap rate, and minimum word threshold. Create a new example for LLMExtraction Strategy, update Dockerfile, and README

setup.py

@@ -1,8 +1,15 @@
 from setuptools import setup, find_packages
 import os
+import sys
+from pathlib import Path
 import subprocess
 from setuptools.command.install import install
 
+# Create the .crawl4ai folder in the user's home directory if it doesn't exist
+crawl4ai_folder = os.path.join(Path.home(), ".crawl4ai")
+os.makedirs(crawl4ai_folder, exist_ok=True)
+os.makedirs(f"{crawl4ai_folder}/cache", exist_ok=True)
+
 # Read the requirements from requirements.txt
 with open("requirements.txt") as f:
     requirements = f.read().splitlines()