Switch to utm_source/medium/campaign tracking for GA4

README.md

@@ -290,7 +290,7 @@ export OPENAI_BASE_URL="https://crazyrouter.com/v1"
 
 ## Links
 
-- 🌐 [Crazyrouter](https://crazyrouter.com/?ref=huggingface)
+- 🌐 [Crazyrouter](https://crazyrouter.com/?utm_source=huggingface&utm_medium=tutorial&utm_campaign=dev_community)
 - 📖 [Getting Started Guide](https://huggingface.co/xujfcn/Crazyrouter-Getting-Started)
 - 🤖 [Live Demo](https://huggingface.co/spaces/xujfcn/Crazyrouter-Demo)
 - 💬 [Telegram](https://t.me/crazyrouter)