Add link to airstack ms-airsim video

Author: andrewjong

docs/simulation/ms-airsim/index.md

@@ -53,6 +53,11 @@ To attach to the tmux session:
 airstack connect ms-airsim
 ```
 
+A video is below:
+
+<iframe src="https://private-user-images.githubusercontent.com/4943471/574307425-90c3d9d0-f53a-46a6-a11d-f3690f682e51.mp4?jwt=eyJ0eXAiOiJKV1QiLCJhbGciOiJIUzI1NiJ9.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.N11vdWatLn7F3mLDdctHIu3p9eZzO52M9oVnnjwW88M" allowfullscreen width="1920" height="500"></iframe>
+
+
 ## Architecture
 
 ```