readme: add Sonar quality gate badge
@@ -16,7 +16,7 @@ The intent is to make it easier for developers and sensor manufacturers to map
their sensors & actuators on top of supported hardware and to allow control of
low level communication protocol by high level languages & constructs.
-[![Build Status](https://travis-ci.org/intel-iot-devkit/mraa.svg?branch=master)](https://travis-ci.org/intel-iot-devkit/mraa)
+[![Build Status](https://travis-ci.org/intel-iot-devkit/mraa.svg?branch=master)](https://travis-ci.org/intel-iot-devkit/mraa) [![Quality Gate](https://sonarcloud.io/api/project_badges/measure?project=mraa-master&metric=alert_status)](https://sonarcloud.io/dashboard?id=mraa-master)
Supported Boards
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