Update toc.yml

Author: laujan

articles/ai-services/content-understanding/toc.yml

@@ -65,7 +65,7 @@ items:
     - name: Accuracy and confidence
       displayName: accuracy, confidence, analyzers, optimization, fields, scores
       href: concepts/accuracy-confidence.md
-    - name: Classifiers
+    - name: 🆕 Classifiers
       displayName: classifiers, text, images, video, audio, multimodal, visual, structured, content, field, extraction
       href: concepts/classifiers.md  
     - name: Retrieval-augmented generation (RAG)