Go into /server
npm install #installs all the server dependencies
Go into /client
npm install #installs all the client depenndencies
Go into /server
npm start #start the server
#Now the server is running on localhost port 4000
Go into /client
npm start #start the client
#Now the client applicaiton is running on localhost port 3000.
#Go to http://localhost:3000 in your browser.