Add dev-qt from an older version of the gentoo repo

Qt5 has been removed, we restore it since we still use it.

dev-qt/qlementine/qlementine-1.4.2.ebuild

@@ -0,0 +1,33 @@
+# Copyright 2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake
+
+DESCRIPTION="Modern QStyle for desktop Qt6 applications"
+HOMEPAGE="https://github.com/oclero/qlementine"
+
+if [[ ${PV} == 9999 ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/oclero/qlementine.git"
+else
+	SRC_URI="
+		https://github.com/oclero/qlementine/archive/refs/tags/v${PV}.tar.gz -> ${P}.tar.gz
+		https://deps.gentoo.zip/dev-qt/qlementine/${P}-build-as-shared-lib.patch
+	"
+	KEYWORDS="~amd64"
+fi
+
+LICENSE="MIT"
+SLOT="0"
+
+RDEPEND="
+	dev-qt/qtbase:6[widgets]
+	dev-qt/qtsvg:6
+"
+DEPEND="${RDEPEND}"
+
+PATCHES=(
+	"${DISTDIR}/${P}-build-as-shared-lib.patch"
+)