Update translations and include Ukrainian

src/main/kotlin/org/briarproject/briar/desktop/settings/UnencryptedSettings.kt

@@ -30,7 +30,7 @@ interface UnencryptedSettings {
         DEFAULT, EN,
 
         // languages as present in resources
-        AR, BG, DE, ES, FA, FR, GL, HE, HU, IS, IT, JA, KO, LT, MY, NL, PL, PT_BR, RO, RU, SK, SQ, SV, TR, ZH_CN;
+        AR, BG, DE, ES, FA, FR, GL, HE, HU, IS, IT, JA, KO, LT, MY, NL, PL, PT_BR, RO, RU, SK, SQ, SV, TR, UK, ZH_CN;
 
         val locale: Locale
             get() = if (this == DEFAULT)