did:jwk creation missing verification relationships

[KendallWeihe]

From here

web5-rs/crates/dids/src/method/jwk.rs

Line 60 in f74a684

..Default::default()

When DidJwk::create() is called, the appropriate verification relationships are missing. For example, refer to the test vector and notice authentication, assertionMethod, capabilityInvocation and capabilityDelegation are all set with one value equal to the verificationMethod[0].id.

[KendallWeihe]

this was completed in #163