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/Manifest

@@ -0,0 +1,2 @@
+DIST qlementine-1.4.2-build-as-shared-lib.patch 11920 BLAKE2B 14d5947f144a6805f01cd8408293ddf452ca96ccc1935d65540e9906011654a73ec27cb2cd7686566fbddac4e265ff8085c43ee56d876a0caa37301b8c7577ac SHA512 6ab48df30ea548fccc3b3fbf6d7358cfba8deb466dab141d5bc673c4704a580ef1860b48e9cf710238cf59cab7b113f2557085a91a02729d05f841b4b006eb90
+DIST qlementine-1.4.2.tar.gz 3682605 BLAKE2B f03fc8666d1afaff8c48ba5d2bf5819062affc0d83737740c4a816699d2960c8723b38435c764a7f0005d521e24ea10667884f97fa6c9f5dceffd646898e1450 SHA512 7c80b11f938b3e2ea23083e8394470b8cfa95bbe07d5bc89720c46e5ec0a004839860094044eecfe830a080d5e8b2e62cafc883c66ceeae84a2e8aadf8acbaed

dev-qt/qlementine/metadata.xml

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+<?xml version="1.0" encoding="UTF-8"?>
+<!DOCTYPE pkgmetadata SYSTEM "https://www.gentoo.org/dtd/metadata.dtd">
+<pkgmetadata>
+  <maintainer type="person">
+    <email>kangie@gentoo.org</email>
+    <description>Primary maintainer</description>
+  </maintainer>
+  <upstream>
+    <remote-id type="github">oclero/qlementine</remote-id>
+  </upstream>
+</pkgmetadata>

dev-qt/qlementine/qlementine-1.4.2.ebuild

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+# 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"
+)