Bugfix: return unsupported media type when using uberjar fixed

Change-Id: Icc9bca6ffcc0e8110b0691b4ec1d3c857c056be7
diff --git a/plugin/pom.xml b/plugin/pom.xml
index 92c6698..d9f6c5a 100644
--- a/plugin/pom.xml
+++ b/plugin/pom.xml
@@ -103,6 +103,7 @@
                         </goals>
                         <configuration>
                             <transformers>
+                              <transformer implementation="org.apache.maven.plugins.shade.resource.ServicesResourceTransformer"/>
                                 <transformer
                                     implementation='org.apache.maven.plugins.shade.resource.ManifestResourceTransformer'>
                                     <manifestEntries>