Right now it depends on hard-coded addresses on my Geth blockchain.

• Make it take Bob & Carol addresses
• Make "Alice" be the coinbase instead of a hard-coded address
• Error handle

1. First run truffle compile, then run truffle migrate to deploy the contracts onto your network of choice (default "development").
2. Then run npm run dev to build the app and serve it on http://localhost:8080