keep the old service for compatibility

Signed-off-by: Lukas Jungmann <lukas.jungmann@oracle.com>
diff --git a/jaxb-ri/runtime/impl/src/main/resources/META-INF/services/javax.xml.bind.JAXBContext b/jaxb-ri/runtime/impl/src/main/resources/META-INF/services/javax.xml.bind.JAXBContext
new file mode 100644
index 0000000..b80a5f0
--- /dev/null
+++ b/jaxb-ri/runtime/impl/src/main/resources/META-INF/services/javax.xml.bind.JAXBContext
@@ -0,0 +1 @@
+com.sun.xml.bind.v2.ContextFactory