Added %weight% and %actual_weight% as reward placeholders

eco-core/core-plugin/src/main/kotlin/com/willfp/ecocrates/reward/Reward.kt

@@ -21,7 +21,7 @@ import org.bukkit.Material
 import org.bukkit.OfflinePlayer
 import org.bukkit.entity.Player
 import org.bukkit.inventory.ItemStack
-import java.util.*
+import java.util.Objects
 
 class Reward(
     private val plugin: EcoPlugin,
@@ -64,6 +64,12 @@ class Reward(
             ).replace(
                 "%actual_chance%",
                 getPercentageChance(player, crate.rewards, displayWeight = false).toNiceString()
+            ).replace(
+                "%weight%",
+                this.getDisplayWeight(player).toNiceString()
+            ).replace(
+                "%actual_weight%",
+                this.getWeight(player).toNiceString()
             ).formatEco(player)
         }
         return item

eco-core/core-plugin/src/main/resources/rewards.yml

@@ -12,7 +12,7 @@ rewards:
     display: # The display item shown in animations and GUIs
       name: "&bDiamond Sword" # The item name
       item: diamond_sword sharpness:5 unbreaking:3 # The shown item
-      lore: # Can use %chance% and %actual_chance% as placeholders
+      lore: # Can use %chance%, %actual_chance%, %weight%, and %actual_weight% as placeholders
         - "&fDisplay Chance: &a%chance%%"
         - "&fActual Chance: &a%actual_chance%%"