Add Registry module to @autonomys/auto-id and an example showing how to register an auto-id.
### Tasks
- [x] Create a Registry class
- [x] Composes an extrinsic and calls the registry module
- [x] Register a certificate in the registry.
- [x] Example of registering an auto ID of issuer & user.
- [x] Test on Devnet (with auto-id domain)
Add Registry module to
@autonomys/auto-id
and an example showing how to register an auto-id.