docs: Update nested example

Author: MichaelCurrin

README.md

@@ -12,7 +12,9 @@ The tutorial is available in two forms:
 - Github Pages: [docs site](https://michaelcurrin.github.io/docsify-template/#/). This also live demo of the kind of site you would have after completing the tutorial.
 - Project docs: View the docs as plain markdown format in the repo, either locally or on Github. See the [docs](/docs) directory.
 
-The tutorial references the [quickstart](/quickstart) at the project root.
+The tutorial references the [quickstart](/quickstart) directory at the project root.
+
+See also the [Nested Example](/nested_example/README.md) section for understanding links in markdown and the sidebar.
 
 ## License
 

nested_example/README.md

@@ -1,3 +1,5 @@
 # Nested example
 
-This directory contains an example of the structure of a Docsify docs directory that uses two levels of markdown files. This links in the sidebar file and the markdown files demonstrate proper use of links.
+The files in this directory demonstrate what file linking and nested docs structure look like when using a custom sidebar.
+
+This [nested_example](/nested_example) was tested using a _Docsify_ server, but was reduced to just the content and sidebar file to serve as a lean example that does not run.