Add MyST examples for menuselection and guilabel roles

docs/contributing/documentation/myst-reference.md

@@ -394,6 +394,25 @@ print("my 1st line")
 print(f"my {a}nd line")
 ```
 ````
+### GUI-related roles
+
+Use the following MyST roles to document interactions with graphical user interfaces.
+
+#### `guilabel`
+
+Use the `guilabel` role to refer to labels in a graphical user interface, such as buttons, menu items, or tabs.
+
+```{example}
+Click the {guilabel}`Save` button to store your changes.
+```
+
+#### `menuselection`
+
+Use the `menuselection` role to describe a sequence of menu selections in a graphical user interface.
+
+```{example}
+Navigate to {menuselection}`File --> Preferences --> Settings`.
+```
 
 ### Tabs