move image link to own line

docs/modules/sdk/pages/sdk.adoc

@@ -44,6 +44,7 @@ image::jmonkey-sdk-workflow.png[jmonkey-sdk-workflow.png,width="",height="",alig
 See link:https://github.com/jMonkeyEngine/jmonkeyengine/labels/roadmap[this page on GitHub] for links to up-to-date info on current status and features.
 
 xref:comic.adoc[jMonkeyEngine SDK - the Comic]
+
 image::jmonkeyplatform-docu-2.png[jmonkeyplatform-docu-2.png,width="420",height="300"]