Add keyboard navigation post

Author: SylvainCorlay

_config.yml

@@ -5,6 +5,13 @@ copyright:
 
 blog:
 
+  - url: https://blog.jupyter.org/and-voici-e02367197ba2
+    title: Recent keyboard navigation improvements in Jupyter
+    image: https://upload.wikimedia.org/wikipedia/commons/thumb/5/5e/W3C_icon.svg/320px-W3C_icon.svg.png
+    summary: "Upcoming versions of JupyterLab (4.1.0) and Notebook (7.1.0) will include major keyboard accessibility fixes."
+    date: December 16th, 2023
+    authors: Nicolas Brichet, Gabriel Fouasnon
+
   - url: https://blog.jupyter.org/and-voici-e02367197ba2
     title: And Voici!
     image: https://miro.medium.com/v2/resize:fit:1400/format:webp/1*Tjh9IaZrdJhTQzxyIOgI8Q.png