After this clone, run from Terminal
1- npm install
2- npm start
3- json-server --watch items.json --port 3001
4- json-server --watch companies.json --port 3002
Based on the 3rd and 4th terminal commands, in this project the json-server package is used to create a fake rest API. For more information: https://www.npmjs.com/package/json-server -- https://github.com/typicode/json-server