0.3.0M5 added to release notes

Signed-off-by: Dominic Schabel <dominic.schabel@bosch-si.com>
diff --git a/release-notes/index.html b/release-notes/index.html
index 9c6a806..6e383db 100644
--- a/release-notes/index.html
+++ b/release-notes/index.html
@@ -408,6 +408,12 @@
 
 			
 
+<h2 id="0-3-0m5">0.3.0M5</h2>
+
+<p><strong>Release Date:</strong> Tuesday, July 29, 2019 <br />
+<a href="https://github.com/eclipse/hawkbit/releases/tag/0.3.0M5">Tag</a> /
+<a href="https://github.com/eclipse/hawkbit/milestone/20?closed=1">Release</a></p>
+
 <h2 id="0-3-0m4">0.3.0M4</h2>
 
 <p><strong>Release Date:</strong> Thursday, June 6, 2019 <br />