feat: update github url example

Author: wei

site-data.json

@@ -6,7 +6,7 @@
     "website": "https://www.gatesnotes.com/",
     "linkedin": "https://www.linkedin.com/in/williamhgates",
     "email": "bill.gates@gatesfoundation.org",
-    "github": "https://github.com",
+    "github": "https://github.com/microsoft",
     "about": "Dedicated to tackling global health challenges and climate change through innovation and strategic philanthropy. Passionate about leveraging technology to solve humanity's greatest problems.\n\nVoracious reader with a personal blog where I share insights on books and global issues. Avid traveler exploring both developed and developing regions to understand local challenges firsthand."
   },
   "experience": [