Add prod gateway

Author: Janaka-Steph

stack.yml

@@ -2,8 +2,9 @@
 version: 1.0
 provider:
   name: openfaas
+  gateway: https://openfaas.bitcoin-studio.com
   #gateway: http://127.0.0.1:8080
-  gateway: https://openfaas.rogue-paprika.top
+  #gateway: https://openfaas.rogue-paprika.top
 functions:
   bitcoinjs-guide:
     lang: dockerfile