feat: test vp exchange with ew role vc#154

Draft

nichonien wants to merge 3 commits intodevelopfrom SWITCH-1705/perform_vp_exchange_with_eip712_signed_vc

+3,416-363

Commits on Dec 9, 2022

feat: test vp exchange with ew role vc
nichonien
committed

Commits on Dec 13, 2022

feat: mock cacheclient for testing
nichonien
committed

Commits on Jan 6, 2023

feat: retreive privateKey from JWK for signer service
nichonien
committed