*/*: fix MissingRemoteId in metadata.xml

* Manually checked, I hope I caught most errors

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

games-misc/asciiquarium/metadata.xml

@@ -5,4 +5,7 @@
 		<email>cyber+gentoo@sysrq.in</email>
 		<name>Anna</name>
 	</maintainer>
+	<upstream>
+		<remote-id type="github">cmatsuoka/asciiquarium</remote-id>
+	</upstream>
 </pkgmetadata>