Add animated demo GIF showing agent conversation flow

Custom Remotion animation simulating an IDE chat where the user asks
about team spending, the agent calls MCP tools, and formatted results
appear with tool-call progress indicators.

Co-authored-by: Cursor <cursoragent@cursor.com>

Author: oferlmntr

README.md

@@ -16,6 +16,12 @@
 
 ---
 
+![Demo](assets/demo.gif)
+
+<sub>Demo animation created with <a href="https://github.com/ofershap/remotion-readme-kit">remotion-readme-kit</a></sub>
+
+---
+
 ## What This Does
 
 You manage a Cursor Enterprise team. You want to know who's spending what, which models are being used, and whether you're getting value from AI. Instead of logging into a dashboard, you ask your AI agent: