Add language: Esperanto (#7863)

* Create messages.po

* Update app.config.js

* Update lingui.config.js

* Update dates.ts

* Update helpers.ts

* Update i18n.ts

* Update i18n.web.ts

* Update languages.ts

src/locale/helpers.ts

@@ -171,6 +171,8 @@ export function sanitizeAppLanguageSetting(appLanguage: string): AppLanguage {
         return AppLanguage.el
       case 'en-GB':
         return AppLanguage.en_GB
+      case 'eo':
+        return AppLanguage.eo
       case 'es':
         return AppLanguage.es
       case 'eu':