Update Simulation Interface video
Closes #3 (closed).
Also, I changed the script from async
to defer
- this should fix the issue that sometimes the video does not load (happens to me randomly). Both tell the browser to downloaded the script in parallel to the page, but async
tells the script to start as soon as it is loaded, even when the page is not fully loaded itself. Clearly, we don't want this here since it changes the DOM.