Add list of contributors

CONTRIBUTORS.md

@@ -0,0 +1,27 @@
+ Andreas Shimokawa <shimokawa@fsfe.org>
+ cpfeiffer <cpfeiffer@users.noreply.github.com>
+ Daniele Gobbetti <daniele+github@gobbetti.name>
+ Daniele Gobbetti <daniele@gobbetti.name>
+ danielegobbetti <daniele+github@gobbetti.name>
+ Carsten Pfeiffer <cpfeiffer@users.noreply.github.com>
+ Julien Pivotto <roidelapluie@inuits.eu>
+ Lem Dulfo <lemuel.dulfo@gmail.com>
+ Sergey Trofimov <sarg@sarg.org.ru>
+ Daniele Gobbetti <daniele.gobbetti@gmail.com>
+ cpfeiffer <cpfeiffer@users.github.com>
+ 0nse <0nse@users.noreply.github.com>
+ Christian Fischer <sw-dev@computerlyrik.de>
+ Ⲇⲁⲛⲓ Φi <daniphii@outlook.com>
+ xphnx <xphnx@users.noreply.github.com>
+ Tarik Sekmen <tarik@ilixi.org>
+ rober <rober@prtl.nodomain.net>
+ Nicolò Balzarotti <anothersms@gmail.com>
+ Marc Schlaich <marc.schlaich@googlemail.com>
+ kevlarcade <kevlarcade@gmail.com>
+ Kasha <kasha_malaga@hotmail.com>
+ Chris Perelstein <chris.perelstein@gmail.com>
+ Alexey Afanasev <avafanasiev@gmail.com>
+
+And all the Transifex translators, which I cannot automatically list, at the moment.
+
+git log --raw | grep "^Author: " | sort | uniq -c | sort -k 1 -n -r | cut -f 2- -d: > CONTRIBUTORS.md