Create API Umbrella user in all relevant collections

[bajiat]

When creating a new API Umbrella user in Apinf, create corresponding Meteor user. Also, create user object in API Umbrella Web.

Definition of done

• Write collection event function when inserting API Umbrella user into database.
• Within collection event, post API Umbrella user to API Umbrella Web.
• Store returned user object inside API Umbrella user object.
• Create corresponding Meteor user.
• Link API Umbrella user and Meteor user via id field.

[brylie]

Updated hours to 8.