Rest API for Sending Email

Directory layout

+-- app                 	# Backend - Node.JS app
�   +-- controllers         # Controllers, get the data
�   +-- helpers             # Helpers
�   +-- middleware          # Middleware: validations
�   +-- routes              # Routes for REST services
+-- common                  # Backend - Node.JS common files and utilities
+-- config                  # Backend - Node.JS configuration, BD config, emails and etc. // not added
+-- README.md               # README.md