fix(browser): correct headless mode default behavior

Modify BrowserConfig to respect explicit headless parameter setting instead of forcing True. Update version to 0.6.2 and clean up code formatting in examples.

BREAKING CHANGE: BrowserConfig no longer defaults to headless=True when explicitly set to False

crawl4ai/__version__.py

@@ -1,3 +1,3 @@
 # crawl4ai/_version.py
-__version__ = "0.6.1"
+__version__ = "0.6.2"
 

crawl4ai/async_configs.py

@@ -427,7 +427,7 @@ class BrowserConfig:
         host: str = "localhost",
     ):
         self.browser_type = browser_type
-        self.headless = headless or True
+        self.headless = headless 
         self.browser_mode = browser_mode
         self.use_managed_browser = use_managed_browser
         self.cdp_url = cdp_url