Add Weblate badge, for issue
# OpenRefine
-[![Build Status](https://travis-ci.org/OpenRefine/OpenRefine.png?branch=master)](https://travis-ci.org/OpenRefine/OpenRefine) [![Codacy Badge](https://api.codacy.com/project/badge/Grade/210578308bba42c5922c767493e83cf4)](https://www.codacy.com/app/OpenRefine/OpenRefine) [![Codacy Badge](https://api.codacy.com/project/badge/Coverage/210578308bba42c5922c767493e83cf4)](https://www.codacy.com/app/OpenRefine/OpenRefine) [![Bountysource](https://www.bountysource.com/badge/tracker?tracker_id=32795)](https://www.bountysource.com/trackers/32795-open-refine?utm_source=32795&utm_medium=shield&utm_campaign=TRACKER_BADGE)
+[![Build Status](https://travis-ci.org/OpenRefine/OpenRefine.png?branch=master)](https://travis-ci.org/OpenRefine/OpenRefine) [![Codacy Badge](https://api.codacy.com/project/badge/Grade/210578308bba42c5922c767493e83cf4)](https://www.codacy.com/app/OpenRefine/OpenRefine) [![Codacy Badge](https://api.codacy.com/project/badge/Coverage/210578308bba42c5922c767493e83cf4)](https://www.codacy.com/app/OpenRefine/OpenRefine) [![Translation progress](https://hosted.weblate.org/widgets/openrefine/-/svg-badge.svg)](https://hosted.weblate.org/engage/openrefine/?utm_source=widget) [![Bountysource](https://www.bountysource.com/badge/tracker?tracker_id=32795)](https://www.bountysource.com/trackers/32795-open-refine?utm_source=32795&utm_medium=shield&utm_campaign=TRACKER_BADGE)
OpenRefine is a power tool that allows you to load data, understand it,
clean it up, reconcile it, and augment it with data coming from
