Had no idea this existed

Author: rcarmo

docs/community/index.md

@@ -6,6 +6,10 @@ There is an active [discussion forum](https://github.com/piku/piku/discussions)
 
 <iframe width="560" height="315" src="https://www.youtube.com/embed/nt1bwaF7qxc?si=lfXqRJSjia8ZH7YM" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
 
+## [Gource Visualization (2021)](https://www.youtube.com/watch?v=-_OnVDN2LXo)
+
+<iframe width="560" height="315" src="https://www.youtube.com/embed/-_OnVDN2LXo?si=lfXqRJSjia8ZH7YM" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>
+
 ## [LinuxConf Talk by Chris McCormick (2020)](https://www.youtube.com/watch?v=ec-GoDukHWk)
 
 <iframe width="560" height="315" src="https://www.youtube.com/embed/ec-GoDukHWk?si=lfXqRJSjia8ZH7YM" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share" referrerpolicy="strict-origin-when-cross-origin" allowfullscreen></iframe>