Add Blog Post - Centralizing Outbound Traffic with AWS Private NAT Gateway (#189)

* added blog post - aravind

* removed package-lock.json

---------

Co-authored-by: Aravind . <aravind@backbase.com>

Author: aravind1801-p

content/authors/authors.json

@@ -122,5 +122,9 @@
   "Backbase Meetups": {
     "avatar": "backbase.png",
     "role": "Meetup Organizer"
+  },
+  "Aravind": {
+    "avatar": "Aravind.png",
+    "role": "System Engineer - Customer Success"
   }
 }