This commit moves the ZXing library (used for QR/Barcode decoding) from
`web_enterprise` to `web` so it can be reused in other modules.
Change motivated by odoo/odoo#78204closesodoo/odoo#80014
X-original-commit: 8c81e2f7c614c55247138278ffdf914e2866ec41
Signed-off-by: Géry Debongnie (ged) <ged@openerp.com>