Add user roles for server.

server/userRoles.js

@@ -0,0 +1,12 @@
+module.exports = {
+	// Allowed to enter locked rooms + all other priveleges
+	ADMIN         : 0,
+	// Allowed to enter restricted rooms if configured.
+	// Allowed to moderate users in a room (mute all,
+	// spotlight video, kick users)
+	MODERATOR     : 1,
+	// Same as MODERATOR, but can't moderate users
+	AUTHENTICATED : 2,
+	// No priveleges
+	ALL           : 3
+};