add ric-app-hw-go document

Signed-off-by: weichen <niweichen@chinamobile.com>
Change-Id: I2ae48c232cb7e31297b68198c9a3b18e9ba30562
diff --git a/docs/release-notes.rst b/docs/release-notes.rst
index 8799059..613186f 100644
--- a/docs/release-notes.rst
+++ b/docs/release-notes.rst
@@ -82,6 +82,10 @@
 * :doc:`Anomaly Detection xApp Release-notes <ric-app-ad:release-notes>`
 
 
+This repository contains open-source code for a prototype HW-go xAPP for near real-time RAN Intelligent Controller which makes use of go Xapp Framework. 
+
+* :doc:`HW-go xAPP Release-notes <ric-app-hw-go:release-notes>`
+
 
 
 Near Realtime RAN Intelligent Controller (RIC) features
@@ -167,6 +171,7 @@
 .. * :doc:`xApp Python Release-notes<ric-plt-xapp-frame-py:release-notes>`
 
 
+
 Non-RealTime RAN Intelligent Controller (NONRTRIC) features
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
@@ -191,6 +196,7 @@
 * :doc:`RIC Dashboard Release-notes <portal-ric-dashboard:release-notes>`
 
 
+
 O-RAN Central Unit (OCU) features
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
@@ -207,6 +213,7 @@
 * :doc:`O-DU Layer 2 Release-notes <o-du-l2:release-notes>`
 
 
+
 O-RAN Distributed Unit Low Layers (ODULOW) features
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
@@ -215,6 +222,7 @@
 * :doc:`O-DU Layer 1 Release-notes <o-du-phy:release-notes>`
 
 
+
 Infrastructure (INF) features
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
 
@@ -228,6 +236,7 @@
 .. * :doc:`SIM/O1-Interface Release-notes <sim-o1-interface:release-notes>`
 
 
+
 Integration and Testing (INT) features
 ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^