[Task] Add support for VC Data Model 2.0 #1275
Description
Description
Add support for the upcoming VC Data Model v2.0 in a way that allows multiple data models to coexist.
Motivation
Stay compatible with the latest recommendations in the identity ecosystem and create the capabilities needed to support multiple models/encodings in parallel.
Resources
https://www.w3.org/TR/vc-data-model-2.0/
To-do list
Create a task-specific to-do list. Please link PRs that match the TODO list item behind the item after it has been submitted.
- Multi Model Design
- Rust implementation
- Wasm implementation
Change checklist
Add an x to the boxes that are relevant to your changes, and delete any items that are not.
- The feature or fix is implemented in Rust and across all bindings whereas possible.
- The feature or fix has sufficient testing coverage
- All tests and examples build and run locally as expected
- Every piece of code has been document according to the documentation guidelines.
- If conceptual documentation (mdbook) and examples highlighting the feature exist, they are properly updated.
- If the feature is not currently documented, a documentation task Issue has been opened to address this.
### Tasks
- [ ] https://github.com/iotaledger/identity.rs/issues/1294
- [ ] https://github.com/iotaledger/identity.rs/issues/1307
- [ ] Actually implement VC Data Model 2.0
- [ ] Fully integrate new structure in library
- [ ] Demo internal proof using `DataIntegerityProof``, potentially using `eddsa-jcs-2022`