Add option to ignore certificate errors. Close #485

lib/foundation/appdata.dart

@@ -190,6 +190,7 @@ class Settings with ChangeNotifier {
     'reverseChapterOrder': false,
     'showSystemStatusBar': false,
     'comicSpecificSettings': <String, Map<String, dynamic>>{},
+    'ignoreBadCertificate': false,
   };
 
   operator [](String key) {

lib/network/app_dio.dart

@@ -173,6 +173,7 @@ class RHttpAdapter implements HttpClientAdapter {
       dnsSettings: rhttp.DnsSettings.static(overrides: _getOverrides()),
       tlsSettings: rhttp.TlsSettings(
         sni: appdata.settings['sni'] != false,
+        verifyCertificates: appdata.settings['ignoreBadCertificate'] != true,
       ),
     );
   }

lib/pages/settings/debug.dart

@@ -31,6 +31,10 @@ class DebugPageState extends State<DebugPage> {
           },
           actionTitle: 'Open'.tl,
         ).toSliver(),
+        _SwitchSetting(
+          title: "Ignore Certificate Errors".tl,
+          settingKey: "ignoreBadCertificate",
+        ).toSliver(),
         SliverToBoxAdapter(
           child: Column(
             children: [