feat: add SIOP v2 and OIDC for Verifiable Presentations

[zbrumen]

Is your feature request related to a problem? Please describe. A clear and concise description of what the problem is. Ex. I'm always frustrated when [...] Currently, the janssen project and from what I have gathered, any OpenID server implementation, has no integration of SIOP or Verifiable Presentations of any kind.

Describe the solution you'd like A clear and concise description of what you want to happen. Add SIOP v2 and OIDC for Verifiable Presentations.

Describe alternatives you've considered A clear and concise description of any alternative solutions or features you've considered. I have created a custom small serverlet for verifing OpenID SIOP, and all we have is Demo's. I think integration into a large and stable project like jans, can be beneficial for the whole OIDC SSI auth flow :smile:

Additional context Add any other context or screenshots about the feature request here.

[nynymike]

For a large undertaking, we need to create sub issues to track progress. @ossdhaval can perhaps help with this.

[ossdhaval]

Yes, so we will keep this issue as the starting point of this effort.

@zbrumen Next step is to create another issue using development item template. This new issue will be where all the action will happen. This new issue is where

• You detail out proposed design approach. And relevant code owners will help you refine it via review comments.
• As design becomes more and more solid, you'll be able to identify development tasks. You can create these tasks within this new issue and create separate issues from those tasks if required.