User Story 3: Database setup, Design, db functions

[alexanderthomasucsb]

• setup db (pretty sure can be done through csil and using herokku???) if you don't know how I think there is a doc on the 156 website on how to setup
• design: think about db design group items, individual items, the amount paid, the amount due, etc Review design with others before committing to db design, and writing functions
• create db functions to populate/interact with DB