CWA-173 | fixed russian translate, added ukrainian translate, added ukrainian language to settings, added faq on ukrainian

lib/src/screens/faq/faq_page.dart

@@ -54,6 +54,8 @@ class FaqPage extends BasePage {
     switch (settingsStore.languageCode) {
       case 'en':
         return 'assets/faq/faq_en.json';
+      case 'uk':
+        return 'assets/faq/faq_uk.json';
       case 'ru':
         return 'assets/faq/faq_ru.json';
       case 'es':

lib/src/screens/settings/change_language.dart

@@ -8,6 +8,7 @@ import 'package:cake_wallet/src/screens/base_page.dart';
 
 const Map<String, String> _languages = {
   'en': 'English',
+  'uk': 'Українська (Ukrainian)',
   'ru': 'Русский (Russian)',
   'es': 'Español (Spanish)',
   'ja': '日本 (Japanese)',