Prepare release 0.5.0

Change-Id: I8ebb2f5779d7da0c0b6c2f11cc9c653e8d3b1d90
diff --git a/docs/releases.rst b/docs/releases.rst
index d45e027..2b3f4f9 100644
--- a/docs/releases.rst
+++ b/docs/releases.rst
@@ -4,7 +4,8 @@
 .. toctree::
    :hidden:
    :maxdepth: 1
-
+ 
+   release-notes/release-notes-0.5.0
    release-notes/release-notes-0.4.3
    release-notes/release-notes-0.4.2
    release-notes/release-notes-0.4.1