register russian as a new language

i18n.config.js

@@ -30,7 +30,7 @@ module.exports = {
         // Check out https://github.com/acornjs/acorn/tree/master/acorn#interface for additional options
       }
     },
-    lngs: ["en", "fr", "es", "de"],
+    lngs: ["en", "fr", "es", "de", "ru"],
     ns: ["resource", "common"],
     defaultLng: "en",
     defaultNs: "resource",

src/components/layouts/LanguageSelector.jsx

@@ -17,7 +17,7 @@ const LanguageSelector = () => {
     let locale=i18n.language.substring(0,2).toUpperCase();
     if(locale==="EN")locale="GB";
     return (<ReactFlagsSelect onSelect={selectHandler}
-        countries={["GB", "FR", "ES", "DE"]}
+        countries={["GB", "FR", "ES", "DE", "RU"]}
         showOptionLabel={false}
         defaultCountry={locale}
         selectedSize={15}
@@ -27,4 +27,4 @@ const LanguageSelector = () => {
 };
 
 
-export default LanguageSelector;
+export default LanguageSelector;