Add demo video

.gitattributes

@@ -12,3 +12,4 @@ src/main/resources/assets/icon/linux/512x512.png filter=lfs diff=lfs merge=lfs -
 src/main/resources/assets/icon/linux/64x64.png filter=lfs diff=lfs merge=lfs -text
 src/main/resources/assets/icon/linux/128x128.png filter=lfs diff=lfs merge=lfs -text
 src/main/resources/assets/icon/linux/16x16.png filter=lfs diff=lfs merge=lfs -text
+src/main/resources/demo.mp4 filter=lfs diff=lfs merge=lfs -text

README.md

@@ -1,5 +1,8 @@
 <p align="center">
     <a href="https://imgfloat.kruhlmann.dev"><img src="src/main/resources/assets/banner.png" /></a>
+    <video width="830" controls>
+      <source src="https://raw.githubusercontent.com/kruhlmann/imgfloat-j/master/src/main/resources/demo.mp4" type="video/mp4">
+    </video>
 </p>
 
 A Spring Boot overlay server for Twitch broadcasters and their channel admins. Broadcasters can authorize via Twitch OAuth and invite channel admins to manage images that float over a transparent canvas. Updates are pushed in real time over WebSockets so OBS browser sources stay in sync.