add sonarcloud badge to readme

README.md

@@ -1,5 +1,14 @@
-# sme-contrib [![pypi](https://img.shields.io/pypi/v/sme_contrib.svg)](https://pypi.org/project/sme_contrib) [![python versions](https://img.shields.io/pypi/pyversions/sme_contrib)](https://pypi.org/project/sme_contrib) [![docs](https://readthedocs.org/projects/sme-contrib/badge/?version=latest)](https://sme-contrib.readthedocs.io) [![tests](https://github.com/spatial-model-editor/sme_contrib/workflows/Tests/badge.svg)](https://github.com/spatial-model-editor/sme_contrib/actions?query=workflow%3ATests)
+<img align="left" width="64" height="64" src="https://raw.githubusercontent.com/spatial-model-editor/spatial-model-editor/master/src/core/resources/icon.iconset/icon_32x32@2x.png" alt="icon">
 
-A collection of useful modules for use with [sme](https://pypi.org/project/sme/), the python interface to [Spatial Model Editor](https://github.com/spatial-model-editor/spatial-model-editor).
+# sme-contrib
 
-See the [online documentation](https://sme-contrib.readthedocs.io) for more information.
+[![pypi](https://img.shields.io/pypi/v/sme_contrib.svg)](https://pypi.org/project/sme_contrib)
+[![python versions](https://img.shields.io/pypi/pyversions/sme_contrib)](https://pypi.org/project/sme_contrib)
+[![docs](https://readthedocs.org/projects/sme-contrib/badge/?version=latest)](https://sme-contrib.readthedocs.io)
+[![tests](https://github.com/spatial-model-editor/sme_contrib/workflows/Tests/badge.svg)](https://github.com/spatial-model-editor/sme_contrib/actions?query=workflow%3ATests)
+[![sonarcloud quality gate status](https://sonarcloud.io/api/project_badges/measure?project=spatial-model-editor_sme_contrib&metric=alert_status)](https://sonarcloud.io/dashboard?id=spatial-model-editor_sme_contrib)
+
+A collection of useful modules for use with [sme](https://pypi.org/project/sme/),
+the python interface to [Spatial Model Editor](https://github.com/spatial-model-editor/spatial-model-editor).
+
+See the [online documentation](https://sme-contrib.readthedocs.io) for more information.