Other platform supported demo

[Dahkenangnon]

• Looking for a demo app tested for pur dart app

This feature want the package support a pur dart app (ex: a cli written 100% in dart)

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• Looking for a demo app tested for flutter Desktop

By now, the package is compatible with flutter desktop, but not tested on.
W're looking to provide a demo app and update test to run linux, windows and macOs

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• Looking for a flutter app tested for flutter Web

Flutter web support is not yet available in this project.
We think this should be quickly fixed.