Made SayCommand display output in purple, as per vanilla spec.

By: EvilSeph <evilseph@gmail.com>

paper-api/src/main/java/org/bukkit/command/defaults/SayCommand.java

@@ -32,7 +32,7 @@ public class SayCommand extends VanillaCommand {
             Bukkit.getLogger().info("[" + sender.getName() + "] " + message);
         }
 
-        Bukkit.broadcastMessage("[Server] " + message);
+        Bukkit.broadcastMessage(ChatColor.LIGHT_PURPLE + "[Server] " + message);
 
         return true;
     }