Update authors and changelog

Author: duzumaki

AUTHORS

@@ -36,13 +36,15 @@ Bas van Oostveen
 Brian Helba
 Carl Schwan
 Cihad GUNDOGDU
+Cristian Prigoana
 Daniel Golding
 Daniel 'Vector' Kerr
 Darrel O'Pry
 Dave Burkholder
 David Fischer
 David Hill
 David Smith
+David Uzumaki
 Dawid Wolski
 Diego Garcia
 Dominik George

CHANGELOG.md

@@ -9,6 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Added
 * #1506 Support for Wildcard Origin and Redirect URIs
 * #1586 Turkish language support added
+* #1539 Add device authorization grant support
 
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 ### Changed