[w3c/webauthn] 0e2988: Add non-ASCII RP display name example (#825)

  Branch: refs/heads/master
  Home:   https://github.com/w3c/webauthn
  Commit: 0e298804c5f43e42d9ff180165e5be9e4a27550b
      https://github.com/w3c/webauthn/commit/0e298804c5f43e42d9ff180165e5be9e4a27550b
  Author: Emil Lundberg <emil@emlun.se>
  Date:   2018-03-28 (Wed, 28 Mar 2018)

  Changed paths:
    M index.bs

  Log Message:
  -----------
  Add non-ASCII RP display name example (#825)

* Add non-ASCII RP display name example

* Change Cyrillic RP name example as recommended by @herrjemand