Prettier config

1. Install prettier as dev dependency

npm install --save-dev --save-exact prettier

2. Create prettier config file

File: .prettierrc.json

   "printWidth": 120,
   "tabWidth": 3,
   "singleQuote": true,
   "insertPragma": true

If you like to format all project files at once, just create an npm shortcut script.

This snippet will format all .ts files inside /src:

"format-prettier": "prettier --write \"./src/**/*.ts\""

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