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/qtlanguageserver/Manifest

@@ -0,0 +1,2 @@
+DIST qtlanguageserver-everywhere-src-6.10.3.tar.xz 136240 BLAKE2B 73486a3b4ca7f83c9cc1e0b1a16932e0aa2ff60ba884aea8f3fac3a893e2add2e2d00fc8bd2e0f041b4b345c650c7c80fb18cdd4a7fb59f395d97290f69d2e91 SHA512 b058ff7ce487de7db32503fa6a108690a225048a41a92a9f2ce0187b2a234f3bcfa61e75ad699d286c694f74025df8894eb048e12237a1c51cceadcf081ebe50
+DIST qtlanguageserver-everywhere-src-6.11.1.tar.xz 137276 BLAKE2B 70eecf1ae866d3e248410000d7729d92d46d8931a4d534be85d2cba68b409bba2cc1efa08c0dfb91ac15ca1c0fbd757527d48fe1f7fa9d1532f47686d92214c2 SHA512 600da7641dea82621ddf24ea69b718d213e083f481300544b70aa41a7d89101d00b2b38bf963df19c0a4756614b2d93814bfe86c3320744e16593630beb33660

dev-qt/qtlanguageserver/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="project">
+		<email>qt@gentoo.org</email>
+		<name>Gentoo Qt Project</name>
+	</maintainer>
+	<upstream>
+		<bugs-to>https://qt-project.atlassian.net/</bugs-to>
+		<doc>https://doc.qt.io/</doc>
+		<remote-id type="github">qt/qtlanguageserver</remote-id>
+	</upstream>
+	<slots>
+		<subslots>
+			Must only be used by packages that are known to use private parts of the Qt API.
+		</subslots>
+	</slots>
+</pkgmetadata>

dev-qt/qtlanguageserver/qtlanguageserver-6.10.3.ebuild

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+# Copyright 2024-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+QT6_HAS_STATIC_LIBS=1
+inherit qt6-build
+
+DESCRIPTION="Implementation of the Language Server Protocol for Qt"
+
+if [[ ${QT6_BUILD_TYPE} == release ]]; then
+	KEYWORDS="amd64 arm64"
+fi
+
+RDEPEND="~dev-qt/qtbase-${PV}:6"
+DEPEND="${RDEPEND}"

dev-qt/qtlanguageserver/qtlanguageserver-6.11.1.ebuild

@@ -0,0 +1,16 @@
+# Copyright 2024-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+QT6_HAS_STATIC_LIBS=1
+inherit qt6-build
+
+DESCRIPTION="Implementation of the Language Server Protocol for Qt"
+
+if [[ ${QT6_BUILD_TYPE} == release ]]; then
+	KEYWORDS="amd64 arm64"
+fi
+
+RDEPEND="~dev-qt/qtbase-${PV}:6"
+DEPEND="${RDEPEND}"

dev-qt/qtlanguageserver/qtlanguageserver-6.11.9999.ebuild

@@ -0,0 +1,16 @@
+# Copyright 2024-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+QT6_HAS_STATIC_LIBS=1
+inherit qt6-build
+
+DESCRIPTION="Implementation of the Language Server Protocol for Qt"
+
+if [[ ${QT6_BUILD_TYPE} == release ]]; then
+	KEYWORDS="~amd64 ~arm64"
+fi
+
+RDEPEND="~dev-qt/qtbase-${PV}:6"
+DEPEND="${RDEPEND}"

dev-qt/qtlanguageserver/qtlanguageserver-6.12.9999.ebuild

@@ -0,0 +1,16 @@
+# Copyright 2024-2026 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+QT6_HAS_STATIC_LIBS=1
+inherit qt6-build
+
+DESCRIPTION="Implementation of the Language Server Protocol for Qt"
+
+if [[ ${QT6_BUILD_TYPE} == release ]]; then
+	KEYWORDS="~amd64 ~arm64"
+fi
+
+RDEPEND="~dev-qt/qtbase-${PV}:6"
+DEPEND="${RDEPEND}"

dev-qt/qtlanguageserver/qtlanguageserver-6.9999.ebuild

@@ -0,0 +1,16 @@
+# Copyright 2024-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+QT6_HAS_STATIC_LIBS=1
+inherit qt6-build
+
+DESCRIPTION="Implementation of the Language Server Protocol for Qt"
+
+if [[ ${QT6_BUILD_TYPE} == release ]]; then
+	KEYWORDS="~amd64 ~arm64"
+fi
+
+RDEPEND="~dev-qt/qtbase-${PV}:6"
+DEPEND="${RDEPEND}"