`config/` -> Environment variables or configuration
`services/` -> API clients, Authentications and Extras
`skill/` -> Amazon Echo Skill login, the state machine and flow
`speechAssets/` -> Amazon Echo Utterances, Intent Schema and Custom Slots.
`tests/` -> Unit Tests
`www/` -> Public site, expose for authentication.
`gulpfile.js` -> Gulp tasks
`package.json` -> Dependencies
`README.md`

`id` -> Default id for every row (Number)
`dot` -> Quantity for the dot prize (Number)
`eco` -> Quantity for the Echo prize (Number)
`shirt` -> Quantity for the shirt prize (Number)
`participants` -> List of people who will participate in the raffle (List)
`winners` -> List of people who have already won a prize (List)