installing bootstrap in angular 9

JavaScript
npm install bootstrap --save....      "styles": [        "node_modules/bootstrap/dist/css/bootstrap.min.css",        "src/styles.css"      ],      "scripts": [          "node_modules/jquery/dist/jquery.min.js",          "node_modules/bootstrap/dist/js/bootstrap.min.js"      ].....ng add @ng-bootstrap/ng-bootstrap $ npm install --save bootstrap@import "~bootstrap/dist/css/bootstrap.css";
Source

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