Create qml module for devtools

src/devtools/FeatureFlagPage.qml

@@ -0,0 +1,32 @@
+// SPDX-FileCopyrightText: 2024 James Graham <james.h.graham@protonmail.com>
+// SPDX-License-Identifier: GPL-2.0-only OR GPL-3.0-only OR LicenseRef-KDE-Accepted-GPL
+
+import QtQuick
+import QtQuick.Layouts
+
+import org.kde.kirigami as Kirigami
+import org.kde.kirigamiaddons.formcard as FormCard
+
+import org.kde.neochat.config
+
+FormCard.FormCardPage {
+    id: root
+
+    FormCard.FormCard {
+        Layout.topMargin: Kirigami.Units.largeSpacing
+
+        FormCard.FormCheckDelegate {
+            id: roomAccountDataVisibleCheck
+            text: i18nc("@option:check Enable the matrix 'threads' feature", "Threads")
+            checked: Config.threads
+
+            onToggled: Config.threads = checked
+        }
+        FormCard.FormCheckDelegate {
+            text: i18nc("@option:check Enable the matrix 'secret backup' feature", "Secret Backup")
+            checked: Config.secretBackup
+
+            onToggled: Config.secretBackup = checked
+        }
+    }
+}