dev-haskell/byteable: add github, hackage upstream metadata

Signed-off-by: hololeap <hololeap@protonmail.com>

Author: hololeap

dev-haskell/byteable/metadata.xml

@@ -5,4 +5,8 @@
 		<email>haskell@gentoo.org</email>
 		<name>Gentoo Haskell</name>
 	</maintainer>
+	<upstream>
+		<remote-id type="hackage">byteable</remote-id>
+		<remote-id type="github">vincenthz/hs-byteable</remote-id>
+	</upstream>
 </pkgmetadata>