Fixed logo path.

README.md

 
 # AURA Engine
 
-<img src="https://gitlab.servus.at/autoradio/meta/-/blob/master/images/aura-logo.png" width="250" align="right" />
+<img src="https://gitlab.servus.at/autoradio/meta/-/raw/master/images/aura-logo.png" width="250" align="right" />
 
 Aura Engine is a play-out engine as part of Automated Radio (Aura) system,
 specifically build for the requirements of community radios.