title: To read and Write File in Flutter Web
body: <p>I am working on flutter-web, I would like to do file operations(read and write) in flutter-web. 
  For Android and IOS, I was using path_provider dependency. But in flutter-web  it is not supported.</p>
  
  <p>Can anyone help me with this. An example would be more helpful.</p>
  
  <p>Thank you</p>