US: When the client sends user onboarding answers, post to the database for that user #60
Description
Based on the answers to onboarding questions, we will create new eras and events for that user
New mutation called newUserOnboarding or something like that
Iterate through the answers (FE will send as hash) and create eras/events accordingly. Make sure week_nums are also calculated and stored. What will the keys that FE sends be? It is possible to send with question name?