added a note to translations at transifex

README.md

@@ -6,6 +6,8 @@ A simple rain radar app for SailfishOS with the data from [rainviewer.com](https
 
 Installable via [Chum](https://build.sailfishos.org/package/show/sailfishos:chum:testing/harbour-rainviewer) and [OpenRepos](https://openrepos.net/content/cnlpete/rainviewer).
 
+Translations are done at [Transifex](https://app.transifex.com/cnlpete/harbour-rainviewer/dashboard/), contributions are welcome.
+
 ## Screenshots
 
 | ![screenshot 1](screenshots/photo_5303021482609338239_w.jpg) | ![screenshot 2](screenshots/photo_5303021482609338244_w.jpg) | ![screenshot 3](screenshots/photo_5303021482609338240_w.jpg) | ![screenshot 4](screenshots/photo_5400178367308883249_w.jpg) |