Fix site descriptor

Author: jonasrutishauser

src/site/site.xml

@@ -11,8 +11,9 @@
 			<item name="Maven" href="https://maven.apache.org/" />
 		</links>
 		<breadcrumbs>
-			<item name="${project.name}" href="https://jonasrutishauser.github.io/${root.artifactId}${site.path}" />
+			<item name="Parent" href="https://jonasrutishauser.github.io/parent" />
 		</breadcrumbs>
+		<menu ref="parent" inherit="top" />
 		<menu ref="modules" inherit="bottom" />
 		<menu ref="reports" inherit="bottom" />
 	</body>