gui-apps/tuigreet: add myself as maintainer

Signed-off-by: Michael Mair-Keimberger <mmk@levelnine.at>
Portage 3.0.34 / pkgdev 0.2.1 / pkgcheck 0.10.12

gui-apps/tuigreet/metadata.xml

@@ -1,5 +1,16 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
-	<!-- maintainer-needed -->
-	</pkgmetadata>
+	<maintainer type="person" proxied="yes">
+		<email>mmk@levelnine.at</email>
+		<name>Michael Mair-Keimberger</name>
+	</maintainer>
+	<maintainer type="project" proxied="proxy">
+		<email>proxy-maint@gentoo.org</email>
+		<name>Proxy Maintainers</name>
+	</maintainer>
+	<upstream>
+		<remote-id type="github">apognu/tuigreet</remote-id>
+		<bugs-to>https://github.com/apognu/tuigreet/issues</bugs-to>
+	</upstream>
+</pkgmetadata>