oid4vc 0.1.0

Rust implementation of the OpenID4VC standards
Documentation
# Description of change
Please write a summary of your changes and why you made them.

## Links to any relevant issues
Be sure to reference any related issues by adding `fixes issue #`.

## How the change has been tested
Describe the tests that you ran to verify your changes.
Make sure to provide instructions for the maintainer as well as any relevant configurations.

## Definition of Done checklist
Add an `x` to the boxes that are relevant to your changes.

- [ ] I have followed the contribution guidelines for this project
- [ ] I have performed a self-review of my own code
- [ ] I have commented my code, particularly in hard-to-understand areas
- [ ] I have made corresponding changes to the documentation
- [ ] I have added tests that prove my fix is effective or that my feature works
- [ ] New and existing unit tests pass locally with my changes