Add safe browsing feature to Chrome evaluator

- Implemented `get_enable_safe_browsing` function to retrieve safe browsing settings based on the operating system.
- Updated the `__init__.py` to include the new function.
- Modified JSON examples to reflect the change from enabling enhanced safety browsing to enabling safe browsing.
- Added necessary commands in the JSON examples for setting up preferences for safe browsing.

evaluation_examples/examples/chrome/35253b65-1c19-4304-8aa4-6884b8218fc0.json

@@ -1,7 +1,7 @@
 {
   "id": "35253b65-1c19-4304-8aa4-6884b8218fc0",
   "snapshot": "chrome",
-  "instruction": "Hey, I need a quick way back to this site. Could you whip up a shortcut on my desktop for me?",
+  "instruction": "Hey, I need a quick way back to this site. Could you whip up a shortcut on my desktop for me using Chrome's built-in feature?",
   "source": "https://www.laptopmag.com/articles/how-to-create-desktop-shortcuts-for-web-pages-using-chrome",
   "config": [
     {