Some examples have the wrong / old context version

[dlongley]

Example 2:
https://w3c.github.io/vc-di-eddsa/#example-an-ed25519-public-key-encoded-as-a-multikey-in-a-controller-document

Needs the context updated from: "https://w3id.org/security/data-integrity/v1" to "https://w3id.org/security/multikey/v1".

Example 6:
https://w3c.github.io/vc-di-eddsa/#example-an-ed25519-digital-signature-expressed-as-a-ed25519signature2020

Needs the context updated from: "https://w3id.org/security/data-integrity/v1" to "https://w3id.org/security/suites/ed25519-2020/v1".

[filip26]

Example 39 - Test Vector - Ed25519Signature2020 nor the proof itself is defined by the provided contexts

[msporny]

PR #85 has been merged to address this issue, closing.