Web applications in React, Bootstrap, MongoDB, Express/Create a MongoDB database locally

from here: https://docs.mongodb.com/manual/administration/install-community/ in this way the MongoDB server is started in the url 127.0.0.1 at port 27017 In this way the database we will use will be called: db_items
 * 1) Install MongoDB Community Edition on your PC
 * 2) Create a folder named mongo_database on proprio pc and a subfolder under it named data_items
 * 3) Open a terminal in the mongo_database folder and type:
 * 4) Open another terminal in the mongo_database folder and type in sequence:
 * 5)Before starting the web server that we will create, the MongoDB server must be started with instruction 3)