A new Flutter package project.
final _zplString = ZplPageBuilder()
.addFont(fontSize: 30, family: '0')
.addTitle(text: 'Encomenda 1')
.addMargin(30)
.addTitle(text: 'Encomenda 2')
.addFont(fontSize: 30, family: 'A')
.addMargin(30)
.addRow(label: 'Total:', value: '200.0')
.build(); ### get the desired string