SPIGOT-5761: initSettings is not a recognized option

By: DerFrZocker <derrieple@gmail.com>

paper-server/src/main/java/org/bukkit/craftbukkit/Main.java

@@ -121,6 +121,8 @@ public class Main {
                 acceptsAll(asList("v", "version"), "Show the CraftBukkit Version");
 
                 acceptsAll(asList("demo"), "Demo mode");
+
+                acceptsAll(asList("initSettings"), "Only create configuration files and then exit"); // SPIGOT-5761: Add initSettings option
             }
         };