add video link

Author: Larspennig

docs/index.html

@@ -136,7 +136,7 @@ <h6><a href="https://scholar.google.com/citations?hl=en&user=FHL-zfsAAAAJ">Janni
               Paper
             </a>
             <a href="https://github.com/tum-ai/number-token-loss" class="btn btn-outline-dark mx-1" style="font-size: 1.1em;"><i class="fab fa-github" style="font-size: 2em; vertical-align: middle; margin-right: 0.3em;"></i> Code</a>
-            <a href="#" class="btn btn-outline-dark mx-1" style="font-size: 1.1em;"><i class="fas fa-video" style="font-size: 2em; vertical-align: middle; margin-right: 0.3em;"></i> Video&nbsp;(TBA)</a>
+            <a href="https://www.youtube.com/watch?v=iuTUC1_dgfM" class="btn btn-outline-dark mx-1" style="font-size: 1.1em;"><i class="fas fa-video" style="font-size: 2em; vertical-align: middle; margin-right: 0.3em;"></i> Video</a>
             <a href="https://huggingface.co/spaces/jannisborn/NumberTokenLoss" class="btn btn-outline-dark mx-1" style="font-size: 1.1em;">
             <img src="assets/streamlit.png" alt="Streamlit logo" style="height: 2em; vertical-align: middle; margin-right: 0.3em;">Demo</a>
             <a href="https://pypi.org/project/ntloss/" class="btn btn-outline-dark mx-1" style="font-size: 1.1em;">