DOCS: Updates to Read the Docs instructions (#1849)

Co-authored-by: Chris Holdgraf <choldgraf@berkeley.edu>

docs/publish/readthedocs.md

@@ -17,18 +17,26 @@ To publish your book with {{RTD}}, follow these steps:
 1. **Get started with Read the Docs**.
    To do so, follow [the Read the Docs tutorial](https://docs.readthedocs.io/en/stable/tutorial/index.html).
    Configure {{RTD}} to host a website from your book's repository.
-2. **Create a `.readthedocs.yml` file**.
-   This file can configure the behavior of {{RTD}}.
-   See [the ReadTheDocs documentation on its use](https://docs.readthedocs.io/en/stable/config-file/v2.html).
+2. **Create a `.readthedocs.yml` file** in the root of your repository.
+   This file configures the behavior of {{RTD}}.
 3. **Add a `pre_build` job to your `.readthedocs.yml` file**.
-   ReadTheDocs allows you to run extra scripts before and after your documentation is built.
+   Read the Docs allows you to run extra scripts before and after your documentation is built.
    You can use this to [generate the Sphinx configuration](sphinx:convert) for your Jupyter Book before {{RTD}} tries to build it.
-   For example, see the ReadTheDocs configuration that is used to build this book:
+   For example, this configuration is used to build this book:
 
    ```{literalinclude} ../../.readthedocs.yml
    :emphasize-lines: 7-10
    ```
 
-   See [the ReadTheDocs jobs documentation](https://docs.readthedocs.io/en/stable/config-file/v2.html#build-jobs) for more information.
+   See [the Read the Docs Config File reference](https://docs.readthedocs.io/en/stable/config-file/v2.html) for a full reference to the configuration file options.
 
 {{RTD}} should now automatically generate the Sphinx configuration for your book and build your book's HTML to host it online.
+
+```{tip}
+You can also get started by using this example project from Read the Docs:
+
+* [Example project](https://example-jupyter-book.readthedocs.io/)
+* [Example project source code on GitHub](https://github.com/readthedocs-examples/example-jupyter-book)
+
+The project itself can be copied and customized, or you can use it as a reference when you start a Jupyter Book project from scratch that you wish to publish on Read the Docs.
+```