replace ondomread.py example using example.com, as google.com website is using complex iframe which is not good with cefpython javascript binding

Author: linesight

examples/snippets/ondomready.py

@@ -8,7 +8,7 @@
 
 def main():
     cef.Initialize()
-    browser = cef.CreateBrowserSync(url="https://www.google.com/",
+    browser = cef.CreateBrowserSync(url="https://example.com/",
                                     window_title="_OnDomReady event")
     load_handler = LoadHandler(browser)
     browser.SetClientHandler(load_handler)