doc/Enhance PDF generation section and README (#48)

Author: PipKat

README.rst

@@ -2,15 +2,19 @@
 PyAnsys Developer's Guide
 #########################
 
-This guide serves as the central document for:
+The *PyAnsys Developer's Guide* is the central document for:
 
-- Ansys developers who want to create and "own" libraries
+- Ansys developers who want to create and "own" PyAnsys libraries
 - Anyone in the Python community who wants to contribute to a 
-  library
+  PyAnsys library
 - Anyone who is interested in learning more about the PyAnsys 
-  project and libraries
+  project and PyAnsys libraries
 
-Web-based documentation can be found in `PyAnsys Developer's Guide <https://dev.docs.pyansys.com>`_.
+A link to the web-based version of this `guide <https://dev.docs.pyansys.com>`_
+is available in the 'About' area for the `dev-guide <https://github.com/pyansys/dev-guide>`_
+repository. A link to a PDF version of this guide is available in the `Releases
+<https://github.com/pyansys/about/releases>`_ section under 'Assets'.
 
-A PDF version of this guide can be found in the release notes in `Releases
-<https://github.com/pyansys/about/releases>`_.
+This guide provides an overview that describes the PyAnsys project organization,
+project administration, and how to contribute. It also provides guidelines and best
+practices, and it summarizes coding and documentation styles.

doc/source/guidelines/doc_practices.rst

@@ -452,3 +452,8 @@ On Windows, building a PDF is a manual process that you run locally:
 
     .\make latexpdf
 
+
+.. note::
+   For the Table of Contents in the PDF file to generate correctly, ``index.rst`` files
+   must not include child sections.
+