feat(snjs): add authenticator use cases (#2145)

* feat(snjs): add authenticator use case

* feat(snjs): add use cases for listing, deleting and verifying authenticators

* fix(snjs): spec for deleting authenticator

packages/snjs/lib/Domain/UseCase/UseCaseContainerInterface.ts

@@ -3,4 +3,8 @@ import { UseCaseInterface } from '@standardnotes/domain-core'
 export interface UseCaseContainerInterface {
   get signInWithRecoveryCodes(): UseCaseInterface<void>
   get getRecoveryCodes(): UseCaseInterface<string>
+  get addAuthenticator(): UseCaseInterface<void>
+  get listAuthenticators(): UseCaseInterface<Array<{ id: string; name: string }>>
+  get deleteAuthenticator(): UseCaseInterface<void>
+  get verifyAuthenticator(): UseCaseInterface<void>
 }