Update authors list and add contributors file

AUTHORS

@@ -1,35 +1,69 @@
-List of HackMD contributors.
-
-bananaapple
-Bartlomiej Szala
-Colin Maudry
-Dmytro Kytsmen
-Fabien Meghazi
-Florian Rhiem
-Ikumi Shimizu
-ivanorsolic
-Jason Croft
-Jannik Lorenz
-James Stephenson
-Jordan Matelsky
-Kenji Doi
-Lars Kajes
-Lapinot
-Laura Kyle
-Marcelo Alencar
-Martijnpold
-Massimo Ghinassi
-Max Wu
-Ömer Erdinç Yağmurlu
-p0v1n0m
-Pablo Guerrero
-paraschadha2052
-Peter Dave Hello
-Qubo
-Sergio Valverde
-Tom Wyckhuys
-Yukai Huang
-Zacharias Traianos
-Zankio
-Xavier
-葉家郡
+alecdwm <alec@owls.io>
+bananaappletw <bananaappletw@gmail.com>
+Bartlomiej Szala <fenix440@gmail.com>
+BoHong Li <a60814billy@gmail.com>
+Bryan Davis <bd808@wikimedia.org>
+butlerx <butlerx@notthe.cloud>
+Cheng-Han, Wu <jackymaxj@gmail.com>
+Christian Schuhmann <madebyherzblut@users.noreply.github.com>
+Colin Maudry <colin@maudry.com>
+Dmytro Kytsmen <dmitrokytsmen@gmail.com>
+Fabien Meghazi <agr@amigrave.com>
+Florian Rhiem <florian.rhiem@gmail.com>
+geekyd <singhsince94@gmail.com>
+GhiMax <ghina8@gmail.com>
+greenkeeperio-bot <support@greenkeeper.io>
+Himura Kazuto <Himura2la@users.noreply.github.com>
+Ho33e5 <ho33e5@gmail.com>
+Ian Dees <ian.dees@gmail.com>
+Ikumi Shimizu <193s@users.noreply.github.com>
+ivanorsolic <ivanorsolic@users.noreply.github.com>
+jackycute <jacky_cute0808@hotmail.com>
+jackycute <jackymaxj@gmail.com>
+Jakub Sygnowski <sygnowski@gmail.com>
+James Stephenson <c4p7.fl1n7@gmail.com>
+Jan Kunzmann <jan-github@phobia.de>
+Jannik Lorenz <dev@janniklorenz.de>
+Jason Croft <jcroft@velocity.org>
+Johannes Weißl <jargon@molb.org>
+Jordan Matelsky <j6k4m8@gmail.com>
+Jun SAKATA <jun.bj141400@gmail.com>
+Kaiyu Shi <skyisno.1@gmail.com>
+knjcode <knjcode@gmail.com>
+Kotaro Yamamoto <kota.crk@gmail.com>
+Lars Karlsson <lars@kajes.se>
+Laura Kyle <laura.kyle91@gmail.com>
+LluisArevalo <thorin119@gmail.com>
+Marcelo Alencar <marceloalves@ufpa.br>
+Martijnpold <martijntje7@gmail.com>
+Max Wu <jackymaxj@gmail.com>
+neopostmodern <clemens@neopostmodern.com>
+NV <nvsofts@gmail.com>
+Ömer Erdinç Yağmurlu <omeryagmurlu@gmail.com>
+p0v1n0m <p0v1n0m@gmail.com>
+Pablo Guerrero <pablo.guerrero@gmail.com>
+Pablo Guerrero <pablo.guerrero@sap.com>
+Paras <paraschadha2052@gmail.com>
+Patrick Andersen <patrick@bacha.dk>
+Peter Dave Hello <hsu@peterdavehello.org>
+Peter Dave Hello <PeterDaveHello@users.noreply.github.com>
+Philipp Zumstein <zuphilip@users.noreply.github.com>
+Raccoon Li <a60814billy@gmail.com>
+robert <ahmerov.rt@molodost.bz>
+Sergio Valverde <svg153@users.noreply.github.com>
+Sheogorath <sheogorath@shivering-isles.com>
+Simon Joda Stößer <SimJoSt@users.noreply.github.com>
+S.Noda <noda@fenrir.co.jp>
+Stratos Gerakakis <stratosgear@gmail.com>
+The Gitter Badger <badger@gitter.im>
+tkqubo <tk.qubo@gmail.com>
+tkykm <tkykm@users.noreply.github.com>
+Tom Wyckhuys <tomwyckhuys@gmail.com>
+Wonder Chang <iwonder.tw@gmail.com>
+Wu Cheng-Han <jacky_cute0808@hotmail.com>
+Xavier Marques <xaviermarques4f@gmail.com>
+xnum <s000032001@gmail.com>
+Yukai Huang <yukaihuangtw@gmail.com>
+zachariast <zachariastraianos@gmail.com>
+Zankio <xxoojoeooxx1@gmail.com>
+蒼時弦也 <elct9620@frost.tw>