Added support for the ru_RU locale

es-app/src/guis/GuiMenu.cpp

@@ -495,6 +495,7 @@ void GuiMenu::openUIOptions()
     applicationLanguage->add("FRANÇAIS", "fr_FR", selectedApplicationLanguage == "fr_FR");
     applicationLanguage->add("ITALIANO", "it_IT", selectedApplicationLanguage == "it_IT");
     applicationLanguage->add("PORTUGUÊS (BRASIL)", "pt_BR", selectedApplicationLanguage == "pt_BR");
+    applicationLanguage->add("РУССКИЙ", "ru_RU", selectedApplicationLanguage == "ru_RU");
     applicationLanguage->add("SVENSKA", "sv_SE", selectedApplicationLanguage == "sv_SE");
     applicationLanguage->add("日本語", "ja_JP", selectedApplicationLanguage == "ja_JP");
     applicationLanguage->add("简体中文", "zh_CN", selectedApplicationLanguage == "zh_CN");

es-core/src/utils/LocalizationUtil.cpp

@@ -36,6 +36,7 @@ namespace Utils
                                                                                   {{"it"}, {"IT"}},
                                                                                   {{"ja"}, {"JP"}},
                                                                                   {{"pt"}, {"BR"}},
+                                                                                  {{"ru"}, {"RU"}},
                                                                                   {{"sv"}, {"SE"}},
                                                                                   {{"zh"}, {"CN"}}};
         // clang-format on

locale/languages

@@ -6,5 +6,6 @@ fr_FR
 it_IT
 ja_JP
 pt_BR
+ru_RU
 sv_SE
 zh_CN