Create v1.3.1.md file

Create release notes for v1.3.1

Author: vviau

releases/v1.3.1.md

@@ -0,0 +1,17 @@
+**Arc** version 1.3.1 is now available for [download](https://code.cubewise.com/arc-download/). 
+
+This release is an update to [v1.3.0](https://github.com/cubewise-code/arc-issues/blob/master/releases/v1.3.0.md).
+
+## Enhancements
+
+* Opening of the browser when Arc is not running as a service.
+
+## Fixes
+
+* The Start Trial license button was not displayed for new Arc installations. This has been fixed.
+<center><img src="https://s3-ap-southeast-2.amazonaws.com/downloads.cubewise.com/web_assets/arc-plugins/arc-license5.png"/> </center>
+
+
+
+## Download
+https://code.cubewise.com/arc-download/