bwip-js is the chosen library for generating and displaying barcodes in the OPAC. It allows for many different barcode types and customizable settings. This patch created a new directory and file for the js library code to live as well as updating the about.tt to give credit.
Signed-off-by: Laura Escamilla <laura.escamilla@bywatersolutions.com> Signed-off-by: Martin Renvoize <martin.renvoize@ptfs-europe.com> Signed-off-by: Katrin Fischer <katrin.fischer@bsz-bw.de>