Please run npm install on the terminal to download the appropriate packages already defined to the package.json file. Make sure you are in the source file.
**Please ensure you have downloaded the following additionally **
- Ganache
- Truffle (global installation)
- Metamask.io (hooked up on the browser)
To run the development server on a local host scripts: npm run start
For truffle tests and console please consult the official Truffle documentaion for updates.
Good luck and have fun!