QLWG: Add Atlas Stack Language feature rubric

[netlify[bot]]

✅ Deploy Preview for tag-observability ready!

Name	Link
🔨 Latest commit	6dae00ebdcff51b06a25fd7c644248329a21fab6
🔍 Latest deploy log	https://app.netlify.com/sites/tag-observability/deploys/67043f3ae657ea00084264ea
😎 Deploy Preview	https://deploy-preview-194--tag-observability.netlify.app
📱 Preview on mobile	Toggle QR Code... Use your smartphone camera to open QR code link.

---

To edit notification comments on pull requests, go to your Netlify site configuration.