QR code has to be made after all other information is filled

[CheoR]

Title

QR code has to be made after all other information is filled

Narrative

    As a: n app, QRCode should only be created when there's an associated box and item information.
    I want: QRcode generated using box/item information as seed
    so that: every QR code i unique

Acceptance criteria

    Given: user creates and satisfies box/item information
    When: when user saves the inofrmation
    Then: app creates a unique QR code based on data payload provided by box/items tables.