Add demo and social links

README.md

@@ -22,8 +22,8 @@ Dota Draft is an AI-assisted drafting workbench for Dota 2 Captains Mode. It let
 - Track: Thousand Token Wood (`track:wood`)
 - Sponsor prize: Best Use of Codex (`sponsor:openai`)
 - Bonus badge: Best Agent (`achievement:agent`)
-- Demo video: TODO
-- Social post: TODO
+- Demo video: https://www.youtube.com/shorts/VIB_FRXADg8?feature=share
+- Social post: https://x.com/asusevski/status/2066671518193532979
 
 ## What it does