Revert "remove casestudy + product search (#676)"
Revert "remove casestudy + product search (#676)"

This reverts commit 3e8bbc2df9d1e78ab16f343b9f0165d4bf064811.

AusDTO/dto-digitalmarketplace-buyer-frontend,AusDTO/dto-digitalmarketplace-buyer-frontend,AusDTO/dto-digitalmarketplace-buyer-frontend,AusDTO/dto-digitalmarketplace-buyer-frontend