rename amber.rst to avoid confusion

Signed-off-by: weichen <niweichen@chinamobile.com>
Change-Id: Ie668a8a2cbe39346e3eac73a1587bddeaeb003fa
diff --git a/docs/index.rst b/docs/index.rst
index 3680bb9..02d4cbf 100644
--- a/docs/index.rst
+++ b/docs/index.rst
@@ -23,12 +23,10 @@
    architecture/architecture.rst
    license.rst
    release-notes.rst
-   amber.rst
-
-.. * :doc:`RIC Dashboard <portal-ric-dashboard:index>`
+   projects.rst
 
 
-Indices and tables
+Indices
 ==================
 
 * :ref:`genindex`