message: Update Link to Translation status
  The translation is now done at translate.riot.im but the link was not updated
diff: @@ -26,7 +26,7 @@ are currently filed against vector-im/riot-web rather than this project).
  Translation Status
  ==================
  -[![translationsstatus](https://translate.nordgedanken.de/widgets/riot-web/-/multi-auto.svg)](https://translate.nordgedanken.de/engage/riot-web/?utm_source=widget)
  +[![Translation status](https://translate.riot.im/widgets/riot-web/-/multi-auto.svg)](https://translate.riot.im/engage/riot-web/?utm_source=widget)
  Developer Guide
  ===============
  