site: https://perrishnikov.github.io/barcode-nw/?upc=020065100026&title=NatureWorks%20Swedish%20Bitters
http://127.0.0.1:5400/?upc=020065100026&title=NatureWorks%20Swedish%20Bitters
barcode generator: https://github.com/lindell/JsBarcode/wiki/Options#height
homepage: https://github.com/Perrishnikov/barcode-nw
Filesaver: https://github.com/eligrey/FileSaver.js