Add section on how to change cookie settings with link
Add section on how to change cookie settings with link

Co-Authored-By: da39a3ee5e6b4b0d3255bfef95601890afd80709@katstevens
Signed-off-by: Paula Valenca <3888b8beb24542cff0f1226ced951cefd1d4e0ba@digital.cabinet-office.gov.uk>

alphagov/digitalmarketplace-buyer-frontend,alphagov/digitalmarketplace-buyer-frontend,alphagov/digitalmarketplace-buyer-frontend,alphagov/digitalmarketplace-buyer-frontend