Imports
- github.com/boombuler/barcode
- github.com/boombuler/barcode/aztec
- github.com/boombuler/barcode/codabar
- github.com/boombuler/barcode/code128
- github.com/boombuler/barcode/code39
- github.com/boombuler/barcode/datamatrix
- github.com/boombuler/barcode/ean
- github.com/boombuler/barcode/qr
- github.com/ruudk/golang-pdf417
- github.com/boombuler/barcode/twooffive
- github.com/jung-kurt/gofpdf