tento executar o npm start dentro da pasta aluracar-webservice, porém aparece essa mensagem:
C:\Users\marce\Desktop\aluracar-webservice>npm start
npm ERR! path C:\Users\marce\package.json
npm ERR! code ENOENT
npm ERR! errno -4058
npm ERR! syscall open
npm ERR! enoent ENOENT: no such file or directory, open 'C:\Users\marce\package.json'
npm ERR! enoent This is related to npm not being able to find a file.
npm ERR! enoent
npm ERR! A complete log of this run can be found in:
npm ERR! C:\Users\marce\AppData\Roaming\npm-cache\_logs\2018-07-14T19_53_38_056Z-debug.log