Check for new users in postgressql, add to Airtable, send email to new users ( postgressql, airtable, smtp)

Flow for when new users are created.

Step 1: Hits web API and parses JSON data to create user objects.

Step 2: Checks if users are in the postgres database and if not the new users are added.

Step 3: Send record of new users to Airtable table

Step 4: Send new users a welcome message to their email