Add Voilà 0.5 blog post

Author: SylvainCorlay

_config.yml

@@ -5,6 +5,13 @@ copyright:
 
 blog:
 
+  - url: https://blog.jupyter.org/voil%C3%A0-0-5-0-homecoming-66f2465aa86f
+    title: Voilà 0.5 - Homecoming
+    image: https://blog.jupyter.org/voil%C3%A0-0-5-0-homecoming-66f2465aa86f 
+    summary: Following the launch of Jupyter Notebook 7, it is now Voilà’s turn to join the JupyterLab family. In Version 0.5.0, the front-end of Voilà has been rebuilt from scratch using JupyterLab 4.0 components, just like in the case of Notebook 7. 
+    date: September 25th, 2023
+    authors: Jeremy Tuloup, Martin Renou, Trung Duc Le
+
   - url: https://blog.jupyter.org/announcing-jupyter-notebook-7-8d6d66126dcf
     title: Announcing Jupyter Notebook 7
     image: https://miro.medium.com/v2/resize:fit:1400/format:webp/0*1RXUtbuPrEJC95ut.jpg