Security settings: Introduce a dynamic section for SECURE BACKUP

This is a copy from SettingsKeyBackupTableViewSection.
We need to get the current status of the key backup to be able to display right actions.

Riot/Modules/Settings/Security/SecureBackup/SettingsSecureBackupViewAction.swift

@@ -0,0 +1,25 @@
+/*
+ Copyright 2021 New Vector Ltd
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+ */
+
+import UIKit
+
+enum SettingsSecureBackupViewAction {
+    case load
+    case setup
+    case restoreFromKeyBackup(MXKeyBackupVersion)
+    case confirmDeleteKeyBackup(MXKeyBackupVersion)
+    case deleteKeyBackup(MXKeyBackupVersion)
+}