[IMP] README: Runbot flag

README.md

@@ -1,3 +1,4 @@
+[![Runbot Status](https://runbot.odoo-community.org/runbot/badge/flat/184/8.0.svg)](https://runbot.odoo-community.org/runbot/repo/github-com-oca-pos-184)
 [![Build Status](https://travis-ci.org/OCA/pos.svg?branch=8.0)](https://travis-ci.org/OCA/pos)
 [![Coverage Status](https://coveralls.io/repos/OCA/pos/badge.png?branch=8.0)](https://coveralls.io/r/OCA/pos?branch=8.0)