Update the documentation's documentation

documentation.md

@@ -15,7 +15,7 @@ We like [Gitlab's approach](https://about.gitlab.com/handbook/git-page-update/#w
 
 Somewhere is better than nowhere.
 
-Don't worry about [translation](translation).
+Don't worry about [translation](translation.md).
 
 ## Guidelines
 
@@ -25,22 +25,48 @@ Don't worry about [translation](translation).
 * Topics which are of general application can be abstracted, put in this repository, and linked to at this documentation.
 
 ```{note}
-In doing documentation we are living our [values](values) of encouraging continuous learning, appreciating new ideas, giving back to the communities we are part of, and valuing long-term relationships.
+In doing documentation we are living our [values](values.md) of encouraging continuous learning, appreciating new ideas, giving back to the communities we are part of, and valuing long-term relationships.
 ```
 
-## Local preview
+## This documentation
 
-### Setup
+### Local preview
+
+#### Setup
 
 ```bash
 sudo apt install python3-sphinx
 pip3 install -r requirements.txt
 ```
 
-### Generating
+#### Generating
 
 Running this documentation locally:
 
 ```bash
 sphinx-build -b html . _build/html
 ```
+
+### Useful examples
+
+#### Including the table of contents of another page
+
+```
+```{toctree}
+---
+caption: See also
+---
+
+copyright-and-trademarks
+```
+```
+
+Produces this:
+
+```{toctree}
+---
+caption: See also
+---
+
+copyright-and-trademarks
+```