prepare ROS observers generator to be released

Author: ipa-nhg

plugins/de.fraunhofer.ipa.ros.feature/feature.xml

@@ -281,4 +281,11 @@ POSSIBILITY OF SUCH DAMAGE.
          version="1.2.2.qualifier"
          unpack="false"/>
 
+   <plugin
+         id="de.fraunhofer.ipa.ros.observer.generator"
+         download-size="0"
+         install-size="0"
+         version="0.0.0"
+         unpack="false"/>
+
 </feature>