title: How to import intl library in Flutter?
body: <p>I am new in Flutter.  When I import the library: <code>import 'package:intl/intl.dart';</code> , it says that <code>the target of URI doesn't exist:package:intl/intl.dart;</code>
  <a href="https://i.stack.imgur.com/1exvX.png" rel="noreferrer"><img src="https://i.stack.imgur.com/1exvX.png" alt="enter image description here"></a></p>