feat: add blog posts on Docker and light/dark images (#318)

Author: mcanouil

README.md

@@ -104,6 +104,8 @@ Contributions of any kind are welcome, just follow the [guidelines](.github/CONT
 - [Adding Subscriptions to a Quarto Site](https://forbo7.github.io/forblog/posts/7_blog_subscriptions.html) - A blog post about how to add a subscription form to your Quarto blog.
 - [I'm an R user: Quarto or R Markdown?](https://www.jumpingrivers.com/blog/quarto-rmarkdown-comparison/) - A blog post comparing Quarto and R Markdown from an R user perspective by [Jumping Rivers](https://www.jumpingrivers.com/).
 - [Quarto for the Python User](https://www.jumpingrivers.com/blog/quarto-for-python-users/) - A blog post introducing Quarto to Python user for creating reports.
+- [How to publish your Quarto document/book/website as a Docker container?](https://mickael.canouil.fr/posts/2023-05-07-quarto-docker/) - A blog post describing how to publish your Quarto document/book/website as a Docker container by Mickaël Canouil.
+- [How to have images for both light and dark theme?](https://mickael.canouil.fr/posts/2023-05-30-quarto-light-dark/) - A blog post describing how to have images for both light and dark theme by Mickaël Canouil.
 
 ## Talks and videos