Added ukrainian translation (#1191)

(cherry picked from commit b40bfeb)

Author: ityetti

src/App.axaml

@@ -16,6 +16,7 @@
       <ResourceInclude x:Key="fr_FR" Source="/Resources/Locales/fr_FR.axaml"/>
       <ResourceInclude x:Key="it_IT" Source="/Resources/Locales/it_IT.axaml"/>
       <ResourceInclude x:Key="pt_BR" Source="/Resources/Locales/pt_BR.axaml"/>
+      <ResourceInclude x:Key="uk_UA" Source="/Resources/Locales/uk_UA.axaml"/>
       <ResourceInclude x:Key="ru_RU" Source="/Resources/Locales/ru_RU.axaml"/>
       <ResourceInclude x:Key="zh_CN" Source="/Resources/Locales/zh_CN.axaml"/>
       <ResourceInclude x:Key="zh_TW" Source="/Resources/Locales/zh_TW.axaml"/>

src/Models/Locales.cs

@@ -14,6 +14,7 @@ public class Locale
             new Locale("Français", "fr_FR"),
             new Locale("Italiano", "it_IT"),
             new Locale("Português (Brasil)", "pt_BR"),
+            new Locale("Українська", "uk_UA"),
             new Locale("Русский", "ru_RU"),
             new Locale("简体中文", "zh_CN"),
             new Locale("繁體中文", "zh_TW"),