mingujo/UCBerkeley_Housing

## Iteration 1-1

### Update from a customer: A customer is willing to only have the automatic email notification system, which 
does not require any user interaction. They prefer to not change their workflow of manipulating
data on Google Spreadsheet.

### User Stories
- Currently, there are no user stories required / needed by our customer.

### Required functionalities
- Detect change on Google Spreadsheet (fetch new data punched into Google Spreadsheet)
- Send a notification email according to the new data