Add contributors script

CONTRIBUTORS

@@ -0,0 +1,65 @@
+Danny Coates
+Abhinav Adduri
+Daniela Arcese
+Peter deHaan
+Erica
+Francesco Lodolo
+Michael Wolf
+manxmensch
+Håvar Henriksen
+Rok Žerdin
+Mark Liang
+Théo Chevalier
+Fjoerfoks
+Marcelo Poli
+Erica Wright
+Matjaž Horvat
+Selim Şumlu
+Rodrigo
+Kohei Yoshino
+YFdyh000
+Juraj Cigáň
+Bjørn I
+Pin-guang Chen
+Maykon Chagas
+Weihang Lo
+ravmn
+Rhoslyn Prys
+Balázs Meskó
+Jordi Serratosa
+Michael Köhler
+Chuck Harmston
+Moḥend Belqasem
+Roberto Alvarado
+Emin Mastizada
+Tymur Faradzhev
+avelper
+Francesco Lodolo [:flod]
+Daniel Thorn
+Andreas Pettersson
+John Gruen
+Wil Clouser
+Марко Костић (Marko Kostić)
+eljuno
+Sahithi
+You-Wen Liang (Mark)
+Ton
+Johann-S
+ariestiyansyah
+dgadelha
+erdem cobanoglu
+goofy
+Michal Stanke
+Michal Vašíček
+Alexander Slovesnik
+Marco Aurélio
+Cynthia Pereira
+Rizky Ariestiyansyah
+Jim Spentzos
+xcffl
+Sairam Raavi
+Sandro
+Lan Glad
+Tomáš Zelina
+Μιχάλης
+Victor Bychek

package.json

@@ -84,6 +84,7 @@
     "build:download": "browserify frontend/src/download.js -g uglifyify -o public/download.js",
     "build:version": "node scripts/version",
     "build:vendor": "cp node_modules/l20n/dist/web/l20n.min.js node_modules/babel-polyfill/dist/polyfill.min.js public",
+    "contributors": "git shortlog -s -n | awk -F\\t '{print $2}' > CONTRIBUTORS",
     "dev": "npm run build && npm start",
     "format": "prettier '{frontend/src/,scripts/,server/,test/**/!(bundle)}*.js' 'public/*.css' --single-quote --write",
     "get-prod-locales": "node scripts/get-prod-locales",