Adding changes to .env.sample

Author: Anil Bisalehalli Prasannakumar

.env.sample

@@ -1,7 +1,7 @@
-GLIP_SERVER=        // RingCentral Server URL
-GLIP_APPKEY=        // RingCentral appKey
-GLIP_APPSECRET=     // RingCentral appSecret
-GLIP_USERNAME=      // RingCentral Username / Extension Number
-GLIP_PASSWORD=      // RingCentral password
-GLIP_EXTENSION=     // RingCentral Extension number
-GLIP_WEBHOOK_URL=   // RingCentral Webhook URL  ( https://xxxxx.ngrok.io/webhook.php || Url from the server deployed )  xxxxxxx -> ngrok provided URL
+GLIP_SERVER=
+GLIP_APPKEY=
+GLIP_APPSECRET=
+GLIP_USERNAME=
+GLIP_PASSWORD=
+GLIP_EXTENSION=
+GLIP_WEBHOOK_URL=