tools: Add nlsrc command line tool

refs: #1834

Change-Id: Ifbe75a3f49e2689930e61ebfd348d9932b04c975
diff --git a/docs/manpages.rst b/docs/manpages.rst
index 40bd0de..e2e1582 100644
--- a/docs/manpages.rst
+++ b/docs/manpages.rst
@@ -6,4 +6,5 @@
 .. toctree::
    manpages/nlsr
    manpages/nlsr.conf
+   manpages/nlsrc
    :maxdepth: 1