WIP: Add Discord auth (#3239)

* Add Discord auth

* Apply review 175263424

src/client/app/init.ts

@@ -143,6 +143,7 @@ import {
 import {
 	faTwitter as fabTwitter,
 	faGithub as fabGithub,
+	faDiscord as fabDiscord
 } from '@fortawesome/free-brands-svg-icons';
 import i18n from './i18n';
 
@@ -259,7 +260,8 @@ library.add(
 	farHdd,
 
 	fabTwitter,
-	fabGithub
+	fabGithub,
+	fabDiscord
 );
 //#endregion