Support the "OAuth 2.0 Device Flow".

[daisukenishino2]

Requirement

Lay the foundations for IoT, big data and AI of v3.0.

• OAuth 2.0 Device Flow - マイクロソフト系技術情報 Wiki
  https://techinfoofmicrosofttech.osscons.jp/index.php?OAuth%202.0%20Device%20Flow