add language button

Author: atalyaalon

.env.production

@@ -13,4 +13,4 @@ REACT_APP_SHOW_ONLY_OPER_CARDS=true
 # === Feature flags (use for hiding features until ready for production) ===
 REACT_APP_LOGIN_READY_FOR_PROD=true
 REACT_APP_LOCATION_SEARCH_READY_FOR_PROD=false
-REACT_APP_LANGUAGE_READY_FOR_PROD=false
+REACT_APP_LANGUAGE_READY_FOR_PROD=true