Provide a Barcode Scanner

ZK-3913 is a new component for create a barcode. Here create a component, specifically for decoding the barcode. As follows is the barcode decoder spec.
client widget:
name: <barScanner>
value: the value of scanning result.
mode: "scan", "file"
onResult=(event.Data => string value): event
scan: true, false (true is opening the camera and start to scan, false is closing the camera)
registerLibrary for adding extra decode libraries.
support the height, width, vflex, hflex.