fixed javafx11 executable jar

* added a workaround for the javafx 11 executable jar, this should be removed as soon as the new packager is available

pom.xml

@@ -121,7 +121,7 @@
 					<transformers>
 						<transformer
 							implementation="org.apache.maven.plugins.shade.resource.ManifestResourceTransformer">
-							<mainClass>kellerkinder.HomeFlix.application.Main</mainClass>
+							<mainClass>kellerkinder.HomeFlix.application.JavaFX11Main</mainClass>
 						</transformer>
 					</transformers>
 				</configuration>

src/main/java/kellerkinder/HomeFlix/application/JavaFX11Main.java

@@ -0,0 +1,8 @@
+package kellerkinder.HomeFlix.application;
+
+public class JavaFX11Main {
+
+    public static void main(String[] args) {
+        Main.main(args);
+    }
+}