Explore Cedar feasibility

Explore feasibility of Cedar [Cedar](https://cedarpolicy.com/en) as a policy specification/analysis framework for implementing access controls in the agentic attestation archtiecture.

Intro tutorial for python bindings [here](https://www.youtube.com/watch?v=CUvtp3noY50).

More tutorial videos [here](https://www.youtube.com/@cedar-craft)

