Add mariadb flag documentation to metadata.xml of tqt package and rename maintainer to metadata.xml

Signed-off-by: ormorph <roma251078@mail.ru>

dev-tqt/tqt/metadata.xml

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
 <pkgmetadata>
-	<maintainer type="person">
-		<email>fatzer2@gmail.com</email>
-		<name>Alexander Golubev</name>
+	<maintainer type="project">
+		<email>team-gentoo@trinitydesktop.org</email>
+		<name>Trinity Gentoo ebuilds project</name>
 	</maintainer>
 	<use>
 		<flag name="glib">Enable support for dev-libs/glib-based mainloop</flag>
@@ -11,5 +11,6 @@
 		<flag name="imext">Enable binary incompatible version of immodule for Qt</flag>
 		<flag name="styles">Enable build of styles</flag>
 		<flag name="tablet">Enable tablet support</flag>
+		<flag name="mariadb">Add mariadb database support</flag>
 	</use>
 </pkgmetadata>