added R to major mode docs (#71)

mihem · marcoieni · stevenguh · commit 7c9d40f7f9c4 · 2023-09-23T19:35:41.000-07:00
Co-authored-by: Marco Ieni &lt;11428655+MarcoIeni@users.noreply.github.com&gt;
diff --git a/docs/major-mode.md b/docs/major-mode.md
@@ -133,6 +133,18 @@ Required extensions:
 
 - [Python](https://marketplace.visualstudio.com/items?itemName=ms-python.python)
 
+## Quarto
+
+Required extensions:
+
+- [Quarto](https://marketplace.visualstudio.com/items?itemName=quarto.quarto)
+
+## R
+
+Required extensions:
+
+- [R](https://marketplace.visualstudio.com/items?itemName=REditorSupport.r)
+
 ## Ruby
 
 Required extensions:
