* Refactor stock barcode operations into new file
* Add setting to control confirmation of stock transfer actions
* Update details when scannign stock item
* Confirm movement when moving items into location
* Cleanup
* Refactor existing barcode scan endpoint
- Break out into new file just for purchase orders
* Handle scanning of salesorder
* Add new handler for adding items to PO via barcode
* Allocate with barcode
* Add new string
