docs: add demo video link (#1)

- docs: add demo video link (d2f18871e082dbe7d3143a54c40e6a1231348d11)
- docs: add social post link (7af5155d09fbc0bdcd6995d813686c4de70b3c07)


Co-authored-by: Bharath Kumar <Barath@users.noreply.huggingface.co>

README.md

@@ -64,8 +64,8 @@ cached scan so the full animation is testable on a laptop.
 
 ## Submission
 
-- **Demo video:** <!-- paste the YouTube / uploaded video link here -->
-- **Social post:** <!-- paste the X / LinkedIn post link here -->
+- **Demo video:** https://youtu.be/kVkX3Dg5gOg
+- **Social post:** https://x.com/barathishere/status/2066882090054930704
 
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