Settings about section (#1041)

* Fixes #1011 - Add legal information screen in settings, move all settings related screens under Source/Screen/Settings
* Fix warnings after sliding sync api change

ElementX/Sources/Screens/Settings/AnalyticsSettingsScreen/View/AnalyticsSettingsScreen.swift

@@ -0,0 +1,56 @@
+//
+// Copyright 2022 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 SwiftUI
+
+struct AnalyticsSettingsScreen: View {
+    @ObservedObject var context: AnalyticsSettingsScreenViewModel.Context
+    
+    var body: some View {
+        Form {
+            analyticsSection
+        }
+        .compoundForm()
+        .navigationTitle(L10n.commonAnalytics)
+        .navigationBarTitleDisplayMode(.inline)
+    }
+    
+    var analyticsSection: some View {
+        Section {
+            Toggle(isOn: $context.enableAnalytics) {
+                Label(L10n.screenAnalyticsSettingsShareData, systemImage: "chart.bar")
+            }
+            .toggleStyle(.compoundForm)
+            .onChange(of: context.enableAnalytics) { _ in
+                context.send(viewAction: .toggleAnalytics)
+            }
+        } footer: {
+            Text(context.viewState.strings.sectionFooter)
+                .compoundFormSectionFooter()
+                .tint(.compound.textLinkExternal)
+        }
+        .compoundFormSection()
+    }
+}
+
+// MARK: - Previews
+
+struct AnalyticsSettingsScreen_Previews: PreviewProvider {
+    static var previews: some View {
+        let viewModel = AnalyticsSettingsScreenViewModel()
+        AnalyticsSettingsScreen(context: viewModel.context)
+    }
+}