Use iframe for the video

Signed-off-by: Andrey Velichkevich <[email protected]>

README.md

@@ -25,7 +25,7 @@ build Kubernetes-native Training Runtimes with Kubernetes Custom Resources APIs.
 
 The following KubeCon + CloudNativeCon 2024 talk provides an overview of Kubeflow Trainer capabilities:
 
-[![Kubeflow Trainer](https://img.youtube.com/vi/Lgy4ir1AhYw/0.jpg)](https://www.youtube.com/watch?v=Lgy4ir1AhYw)
+<iframe width="560" height="315" src="https://www.youtube.com/embed/Lgy4ir1AhYw?si=8WpBpAsvFv2ueWgE" 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>
 
 ## Getting Started