README: link demo video + launch post

README.md

@@ -82,7 +82,7 @@ AIRWAVES_BACKEND=zerogpu python app.py   # (mock backend by default — a placeh
 
 ## 🏆 Build Small Hackathon
 - **Track:** Thousand Token Wood  ·  **Sponsor model:** OpenBMB **VoxCPM2**
-- 🎬 **Demo video:** <!-- TODO: paste YouTube/Twitter link before submitting -->
-- 🐦 **Launch post:** <!-- TODO: paste X/social link before submitting -->
+- 🎬 **Demo video:** https://youtu.be/-jkUObdYr9U
+- 🐦 **Launch post:** https://x.com/_Andresio/status/2066619396668449212
 
 Model: [openbmb/VoxCPM2](https://huggingface.co/openbmb/VoxCPM2) · Built with MediaPipe Tasks-Vision + the Web Audio API.