added video tutorial series playlist to introduction to DevSpace

Author: mpetason

docs/pages/getting-started/introduction.mdx

@@ -54,3 +54,7 @@ DevSpace is battle tested with many Kubernetes distributions including:
 
 <br/>
 <img src={require('@site/static/img/cluster-compatibility.png').default} />
+
+### DevSpace Video Tutorial Series
+
+[![DevSpace Video Tutorial Series Playlist](https://img.youtube.com/vi/9wt4xOCTDpA/maxresdefault.jpg)](https://youtube.com/playlist?list=PL8MSvTvMDqe74oO6AEbo5NE_SdDKFWsy6&si=Aa9fuzExb2WAvU61)