Release/v0.2.1 (#62)

* Fixed issue with did:key method where keyAgreement
was not being populated by SSI crate

Added Local and Network feature to sdk
- a precursor to getting DID resolver being WASM ready

* Added HTTP GET method
  GET /did/v1/resolve/<did>

* Added ability to turn WebSocket route on/off

* Bumping crates

* Updating crates

* Changing crate version

* Bumping version to 0.2.0

* release 0.2.1

* Updating crates
* Changed how keys are resolved in did:peer from multicodec to JsonWebTokens