docs: what is vpp and features and performance

Change-Id: I5a9ae39ed0429b3de001b5109268d577a281cd46
Signed-off-by: Scott Keeler <skeeler@cisco.com>
diff --git a/docs/overview/features/plugins.rst b/docs/overview/features/plugins.rst
index 9943113..0394a81 100644
--- a/docs/overview/features/plugins.rst
+++ b/docs/overview/features/plugins.rst
@@ -4,4 +4,6 @@
 Plugins
 =======
 
+This section identifies the features associated with Plugins:
+
 * iOAM