Merge did:health driver

[did-health]

Summary

This PR adds support for resolving did:health identifiers via a new driver integration with the DIF Universal Resolver. The did:health method is tailored for decentralized healthcare identities anchored on EVM-compatible blockchains (e.g. Ethereum Sepolia).

The driver is maintained at didhealth/uni-resolver-driver, and a Docker image is publicly available via Docker Hub.

---

What's Included

• ✅ Dockerized driver for did:health
• ✅ docker-compose.driver.did-health.yml for modular inclusion
• ✅ Docker service definition to run on port 8085
• ✅ DID method configuration for UniResolver

---

Driver Details

• Method: did:health
• Networks supported: sepolia (default), customizable via environment variable
• Docker image: didhealth/uni-resolver-driver-did-health

---

Usage

To run the resolver with did:health support:

docker-compose -f docker-compose.yml -f docker-compose.driver.did-health.yml up

[BernhardFuchs]

This can't be tested because the files on the branch are outdated. There are also merge conflicts which have to be resolved.
Once these issues are solved I'm happy to test the PR

[peacekeeper]

@did-health Can you update your PR?