Implement Skirmisher armor set bonus

Content/Items/Armor/AvaliSkirmisherSet/AvaliSkirmisherCowl.cs

@@ -4,6 +4,9 @@ using Terraria.ModLoader;
 using ForgottenWawiTech.Content.Items.Materials;
 using ForgottenWawiTech.Content.Rarities;
 using ForgottenWawiTech.Content.Items.Armor.AvaliScoutSet;
+using ForgottenWawiTech.Content.Players;
+
+// Pre-hardmode
 
 namespace ForgottenWawiTech.Content.Items.Armor.AvaliSkirmisherSet
 {
@@ -36,7 +39,7 @@ namespace ForgottenWawiTech.Content.Items.Armor.AvaliSkirmisherSet
             player.setBonus = "Summons thermal vision drones that mark enemies\nMarked enemies take 12% more damage\n+2 max minions and +20% summon damage";
             player.maxMinions += 2;
             player.GetDamage(DamageClass.Summon) += 0.20f;
-            // TODO: Implement thermal vision drone marking system
+            player.GetModPlayer<AvaliSkirmisherPlayer>().EnableThermalDrones();
         }
 
         public override void AddRecipes()