trinity-apps/gwenview: Missing LICENSE, metadata, fix DESCRIPTION

Drop KEYWORDS without keyworded dependencies.

Package-Manager: Portage-3.0.11, Repoman-3.0.2
Signed-off-by: Andreas Sturmlechner <asturm@gentoo.org>

trinity-apps/gwenview/gwenview-9999.ebuild

@@ -6,17 +6,17 @@ EAPI="7"
 
 TRINITY_MODULE_TYPE="applications"
 TRINITY_BUILD_ADMIN="yes"
-
 inherit trinity-base-2
 
 set-trinityver
 
-DESCRIPTION="Gwenview is an image viewer for TDE"
+DESCRIPTION="Image viewer for TDE"
 HOMEPAGE="https://trinitydesktop.org/"
 
+LICENSE="GPL-2+"
 SLOT="${TRINITY_VER}"
 if [[ ${PV} != *9999* ]] ; then
-	KEYWORDS="~amd64 ~arm ~arm64 ~x86"
+	KEYWORDS="~amd64 ~x86"
 fi
 IUSE=""
 

trinity-apps/gwenview/metadata.xml

@@ -0,0 +1,5 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "http://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+	<!-- maintainer-needed -->
+</pkgmetadata>