Updated README

Signed-off-by: Philip Windecker <philip.windecker@avenyr.de>

Author: philipwindecker

README.md

@@ -9,6 +9,8 @@ As the complexity of automated driving functions rapidly increases, the requirem
 
 For more information on OSI see the [official documentation](https://opensimulationinterface.github.io/osi-documentation/) or the [official reference documentation](https://opensimulationinterface.github.io/open-simulation-interface/) for defined protobuf messages.
 
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 [1] Hanke, T., Hirsenkorn, N., van-Driesten, C., Garcia-Ramos, P., Schiementz, M., Schneider, S. & Biebl, E. (2017, February 03). *A generic interface for the environment perception of automated driving functions in virtual scenarios.* Retrieved January 25, 2020, from https://www.hot.ei.tum.de/forschung/automotive-veroeffentlichungen/
 
 ## Usage