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/qthttpserver/qthttpserver-6.8.3.ebuild

@@ -0,0 +1,31 @@
+# Copyright 2023-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit qt6-build
+
+DESCRIPTION="HTTP server functionality for the Qt6 framework"
+
+if [[ ${QT6_BUILD_TYPE} == release ]]; then
+	KEYWORDS="amd64 ~loong"
+fi
+
+IUSE="+ssl websockets"
+
+RDEPEND="
+	~dev-qt/qtbase-${PV}:6[network,ssl=]
+	websockets? ( ~dev-qt/qtwebsockets-${PV}:6 )
+"
+DEPEND="
+	${RDEPEND}
+	test? ( ~dev-qt/qtbase-${PV}:6[concurrent] )
+"
+
+src_configure() {
+	local mycmakeargs=(
+		$(cmake_use_find_package websockets Qt6WebSockets)
+	)
+
+	qt6-build_src_configure
+}