SD-Core release 1.3 updates

Change-Id: Ief59ee9393f5d182422dc8d1abb8c23f7d8e851b
diff --git a/index.rst b/index.rst
index 85a06e3..e8a97fe 100644
--- a/index.rst
+++ b/index.rst
@@ -93,6 +93,7 @@
 
    design/design-smf.rst
    design/design-amf.rst
+   design/design-metricfunc.rst
 
 .. toctree::
    :maxdepth: 2
@@ -104,6 +105,8 @@
    developer/aiab5g.rst
    developer/gnbsim.rst
    developer/testpod.rst
+   developer/rogue-subscriber.rst
+   developer/auto-scaling-5g-nfs.rst
 
 .. toctree::
    :maxdepth: 2