refactor: restructure codebase. (#501)

* refactor: separate language selection to own widget.

* feat: separate theme changer to own widget.

* refactor: move Appearance UI to separate class.

* refactor: move language selection UI to separate class.

* refactor: move sources selection to separate file.

* refactor: move sources selection to separate file.

* refactor: split settings sections in separate files.

* refactor: move logging section to separate file.

* fix: show toast on bottom.

* fix: recommended patches not being selected by default.

* fix: patch selection selecting non recommended patches.

* fix: experimental toggle not updating.

lib/ui/widgets/settingsView/settings_info_section.dart

@@ -0,0 +1,38 @@
+import 'package:flutter/material.dart';
+import 'package:flutter_i18n/widgets/I18nText.dart';
+import 'package:revanced_manager/ui/views/settings/settings_viewmodel.dart';
+import 'package:revanced_manager/ui/widgets/settingsView/about_widget.dart';
+import 'package:revanced_manager/ui/widgets/settingsView/settings_section.dart';
+
+final _settingsViewModel = SettingsViewModel();
+
+class SInfoSection extends StatelessWidget {
+  const SInfoSection({super.key});
+
+  @override
+  Widget build(BuildContext context) {
+    return SettingsSection(
+      title: 'settingsView.infoSectionTitle',
+      children: <Widget>[
+        ListTile(
+          contentPadding: const EdgeInsets.symmetric(horizontal: 20.0),
+          title: I18nText(
+            'settingsView.logsLabel',
+            child: const Text(
+              '',
+              style: TextStyle(
+                fontSize: 20,
+                fontWeight: FontWeight.w500,
+              ),
+            ),
+          ),
+          subtitle: I18nText('settingsView.logsHint'),
+          onTap: () => _settingsViewModel.exportLogcatLogs(),
+        ),
+        const AboutWidget(
+          padding: EdgeInsets.symmetric(horizontal: 20.0),
+        ),
+      ],
+    );
+  }
+}