add sd-jwt vcdm to HAIP

[Sakurann]

it has been agreed that one of the goals of HAIP is to meet eIDAS 2.0/ARF requirements.
there, the plan seems to be to use SD-JWT VCM (https://github.com/danielfett/sd-jwt-vc-dm)
if so, HAIP should use sd-jwt vcdm.

[Sakurann]

WG discussion. HAIP can say that examples of SD-JWT VC can be compatible with w3c vcdm as in the examples in sd-jwt vcdm document. key point is to show that sd-jwt vc with w3c vcdm on top is allowed in HAIP, but w3c vcdm is not mandatory.

will need to decide which mechanism is used for status, schema and rendering when w3c vcdm on top of sd-jwt vc.

Kristina to try to do a PR

[Sakurann]

closing in favor of openid/OpenID4VP#445