sci-biology/cytoscape-bin: add github upstream metadata

Signed-off-by: Lucio Sauer <watermanpaint@posteo.net>

sci-biology/cytoscape-bin/metadata.xml

@@ -5,4 +5,13 @@
 		<email>andres.becerra@gmail.com</email>
 		<name>Andrés Becerra Sandoval</name>
 	</maintainer>
+	<upstream>
+		<bugs-to>
+			https://cytoscape.org/bug-report.html
+		</bugs-to>
+		<changelog>
+			https://cytoscape.org/releasenotes.html
+		</changelog>
+		<remote-id type="github">cytoscape/cytoscape</remote-id>
+	</upstream>
 </pkgmetadata>