Renamed variables to describe purpose.

app/helpers/emailContentGenerator.js

@@ -3,12 +3,12 @@
 const {
   MAX_REAL_ESTATES_IN_EMAIL,
   APP_URL,
-  STAGING
+  USE_KIVI_ENVIRONMENT_TAG
 } = require("../config/appConfig");
 const { AD_CATEGORY, AD_TYPE, EMAIL_FREQUENCY } = require("../common/enums");
 
-//Tag to recognize staging from development
-const stagingTag = STAGING ? "[STAGING] " : "";
+//Tag to recognize staging from development if needed
+const stagingTag = USE_KIVI_ENVIRONMENT_TAG ? "[STAGING] " : "";
 
 const generateEmailFooter = (searchRequestId, emailFrequencyTitle) => {
   return `  <div>Trenutno ste prijavljeni da obavještenja o novim nekretninama primate <strong>${emailFrequencyTitle.toLowerCase()} </strong>.</div>