[Feature] Reading Barcodes & QR codes to organize images and templates about omrchecker HOT 5 OPEN

Linking a draft PR to mark progress: #116

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Found an existing product having this feature -

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Thinking of a more generalised version and will write a schema spec for it to allow input sorting as well as composed columns using barcode values

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• Treat Barcode as a special field ✔️

• "fileSorting" at top level with access to read responses

  • enabled: true means it will sort per-image level
    • if there's multiple template files, only the images corresponding to current template will move
  • the "outputDirectory" from this schema will be ignored from reading images!

• The "fieldBlocks.COMMON" will contain fields common to all sets (default blocks)

• A "fieldBlocks.setMapping" at with access to responses read from common

  • "SET-A" etc will contain set wise fields if provided
  • This mapping should support regex as we may need to extract some pattern (roll number prefix etc)

• Later this can easily extend to reading OCR as a field

  • #99
  • Similarly a CrossOrTick can become a custom field too: #167

• Even the Admit card/Signature Photos can be saved and read as a field (with value = saved path)

  • #73
  • Basically all fields will have access to previously calculated fields

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Crosslinking a resource on a potentially more robust
QR detection https://discord.com/channels/590134763784896514/590134763784896520/1164363436931690587

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