chore: add personal website and quarto extensions listing

Author: mcanouil

docs/gallery/gallery.yml

@@ -344,7 +344,16 @@
       href: https://nhsrcommunity.com
       code: https://github.com/nhs-r-community/nhs-r-community
       thumbnail: websites/nhs-r-website.png
-
+    - title: Mickaël Canouil Universe
+      subtitle: A data science blog and portfolio by Mickaël CANOUIL
+      href: https://mickael.canouil.fr
+      code: https://github.com/mcanouil/mickael.canouil.fr
+      thumbnail: websites/website-mickael-canouil.fr.png
+    - title: Quarto Extensions
+      subtitle: Quarto Extensions listing via GitHub API
+      href: https://m.canouil.dev/quarto-extensions/
+      code: https://github.com/mcanouil/quarto-extensions
+      thumbnail: websites/website-m.canouil.dev_quarto-extensions.png
 
 - category: Books
   description: |