examples: Added simulation scenario with MPI support

docs: Update documentation to include instructions
for MPI support and scenario executed in parallel

Change-Id: I5235462cad6f01751bcd5141b2c3e14585d5baa3
Refs: #2504
diff --git a/docs/source/getting-started.rst b/docs/source/getting-started.rst
index 5f005e7..369be3f 100644
--- a/docs/source/getting-started.rst
+++ b/docs/source/getting-started.rst
@@ -188,6 +188,7 @@
 
     For more configuration options, please refer to ``./waf --help``.
 
+
 Simulating using ndnSIM
 -----------------------