docs: Extending documentation and manpages

Refs: #1462

Change-Id: If33a0f3c623daf3502ed301bcdc63892779463e3
diff --git a/docs/index.rst b/docs/index.rst
index 08f7084..db36d09 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -4,6 +4,7 @@
 `API documentation (doxygen) <doxygen/annotated.html>`_
 
 .. toctree::
+   examples
    tutorials/security-library
    tutorials/utils-ndn-regex
    tutorials/security-validator-config