@spec create(String.t(), String.t(), String.t(), NervesHubCLI.API.Auth.t()) ::
  {:error, any()} | {:ok, any()}

Add a public firmware signing key.

Verb: POST Path: /orgs/:org_name/keys

@spec delete(String.t(), String.t(), NervesHubCLI.API.Auth.t()) ::
  {:error, any()} | {:ok, any()}

Delete a firmware signing key.

Verb: DELETE Path: /orgs/:org_name/keys/:key_name

@spec list(String.t(), NervesHubCLI.API.Auth.t()) :: {:error, any()} | {:ok, any()}

List all keys for an org.

Verb: GET Path: /orgs/:org_name/keys