Read barcode from webcam or USB scanner

[SchrodingersGat]

Use the computer's webcam or external barcode reader to scan barcodes:

Use Cases

• Stock tracking - scan an item barcode to read in the item details
• Incoming goods - read manufacturer barcode and mark items as received

References

• https://github.com/inventree/InvenTree/issues/708
• https://github.com/inventree/InvenTree/issues/677

[SchrodingersGat]

This has been implemented for USB "wedge" scanners already.