Import idonor.sql into MySQL server. 
If needed, find the following lines in your server/config/db-config.js: and modify it as per your configuration.

var connection = mysql.createConnection({
  host: 'localhost',   //hostname
  user: 'root',        //username
  database: 'idonor'   //database name
})

Do npm install - This will install all the dependencies listed in the package.json.

node app.js will start the server on localhost:4000

From the root directory, go to frontend folder. Do npm install in the frontend folder.
Do npm start and the client will be started at localhost:3000. 
The proxy is already configured to make all the requests to localhost:4000.