Add additional placeholder for combatNotification

Signed-off-by: Michał Wojtas <wojtas.michal90@gmail.com>

eternalcombat-plugin/src/main/java/com/eternalcode/combat/config/implementation/MessagesSettings.java

@@ -16,7 +16,8 @@ public class MessagesSettings extends OkaeriConfig {
     @Comment({
         " ",
         "# Configure the combat log notification displayed to players.",
-        "# You can use the {TIME} variable to display the remaining combat time.",
+        "# Placeholders: {SECONDS} - displays numeric value of seconds left in combat e.g. \"10\"",
+        "# {TIME} - displays formatted value with metric e.g \"10s\" or \"150ms\"",
         " ",
     })
     public Notice combatNotification = BukkitNotice.builder()

eternalcombat-plugin/src/main/java/com/eternalcode/combat/fight/FightTask.java

@@ -46,6 +46,7 @@ public class FightTask implements Runnable {
                 .player(player.getUniqueId())
                 .notice(this.config.messagesSettings.combatNotification)
                 .placeholder("{TIME}", DurationUtil.format(remaining, this.config.messagesSettings.withoutMillis))
+                .placeholder("{SECONDS}", String.valueOf(remaining.toSeconds()))
                 .send();
 
         }