This is a Shopping Cart Project, you can see the details of each item and add them into the shopping cart
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install nodemon for running the application in the local/global environment, then defining our own command line code: *** package.json ***
"scripts": {"start": "nodemon index.js" }, -
slugify "~1.3.4" "*1.3.4" all the latest package "^1.3.4" only the latest minor(2nd ones) package
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node_modules: if we accidently delete it, others can use
npm installto recover