Set voice sentiment analysis project as draft

Mark the voice sentiment analysis project as a draft and add cascading draft status.

Author: pareenaverma

content/learning-paths/mobile-graphics-and-gaming/voice-sentiment-analysis-with-llm/_index.md

@@ -1,6 +1,10 @@
 ---
 title: Build a Sentiment-Aware Voice Assistant with On-Device LLMs
 
+draft: true
+cascade:
+    draft: true
+
 description: Build an end-to-end, on-device voice assistant that understands both speech and emotion using Whisper, HuBERT, ONNX Runtime, and a local LLM with llama.cpp on Arm.
 
 minutes_to_complete: 90