app-misc/tmux: enable sixel support

app-misc/tmux/metadata.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<maintainer type="project">
+		<email>shell-tools@gentoo.org</email>
+		<name>Gentoo Shell Tools Project</name>
+	</maintainer>
+	<use>
+		<flag name="utempter">Include libutempter support</flag>
+		<flag name="sixel">Include SIXEL graphics support</flag>
+	</use>
+	<longdescription>
+		tmux is a "terminal multiplexer", it enables a number of terminals
+		(or windows) to be accessed and controlled from a single terminal.
+		tmux is intended to be a simple, modern, BSD-licensed alternative to
+		programs such as <pkg>app-misc/screen</pkg>.
+	</longdescription>
+	<upstream>
+		<remote-id type="github">tmux/tmux</remote-id>
+	</upstream>
+</pkgmetadata>