Develop: Add discovered text, barcode, QR code URLs to Mail Actions panel

[mdconatser]

heads up to developer: Ali has investigated this and may be able to help

As a user, I want to be able to navigate to any links offered by my mail images (whether they appear in barcode, QR code, or text format) from a single location.

See mockups: https://xd.adobe.com/view/db7cd80e-542d-495d-8909-01d4b2607dbe-8e2f/screen/7e31c20e-0f52-470c-88d2-4912f3564f3d

Acceptance Criteria

• Mail caching process is updated to retrieve all links from barcodes/QR codes/and text on import
• MailPiece data object is updated to hold the set of links
• All links from the MailPiece are added to the Mail Actions panel
• Links are clickable to open the default browser to the specified URL
• Document any relevant content in the Programmer guide (draft thoughts of usage and importantly the "Why")
• Updates SRS and STP (and other docs if necessary)
• Add/Update relevant unit tests

[mdconatser]

tested on android