Dependencies are not being installed. This will never work new Hoa\File\Read('picture.jpg'))

[Πέτρος]

These folders are not being created in a fresh installation:
Test\Unit
Hoa\File

This will never work

    $message->addContent(
        new Hoa\Mail\Content\Attachment(
            new Hoa\File\Read('picture.jpg'))
    );