[w3c/webauthn] 63c71d: Add example of new device enrollment via roaming a...

  Branch: refs/heads/issue-151-credential-portability
  Home:   https://github.com/w3c/webauthn
  Commit: 63c71d866143e17d6cc87fb3dc5962456a687499
      https://github.com/w3c/webauthn/commit/63c71d866143e17d6cc87fb3dc5962456a687499
  Author: Emil Lundberg <emil@yubico.com>
  Date:   2018-04-25 (Wed, 25 Apr 2018)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  Add example of new device enrollment via roaming authenticator