Begin implementation of CheckStyle style checking

By: md_5 <git@md-5.net>

paper-api/src/main/java/org/bukkit/event/server/ServerListPingEvent.java

@@ -35,7 +35,7 @@ public class ServerListPingEvent extends ServerEvent implements Iterable<Player>
      * This constructor is intended for implementations that provide the
      * {@link #iterator()} method, thus provided the {@link #getNumPlayers()}
      * count.
-     * 
+     *
      * @param address the address of the pinger
      * @param motd the message of the day
      * @param maxPlayers the max number of players

paper-api/src/main/java/org/bukkit/event/server/ServiceEvent.java

@@ -18,4 +18,4 @@ public abstract class ServiceEvent extends ServerEvent {
     public RegisteredServiceProvider<?> getProvider() {
         return provider;
     }
-}
+}