[BREAKING] Item Usage Overhaul

-De-hardcode elemental orb values
-De-hardcode exp items
-Change ShopChest format (temporary, drop system overhaul will replace it entirely)
-Food healing actually uses Ability data for real HP amounts

src/main/java/emu/grasscutter/game/props/ItemUseAction/ItemUseAddReliquaryExp.java

@@ -0,0 +1,19 @@
+package emu.grasscutter.game.props.ItemUseAction;
+
+import emu.grasscutter.game.props.ItemUseOp;
+import lombok.Getter;
+
+public class ItemUseAddReliquaryExp extends ItemUseAction {
+    @Getter private int exp = 0;
+
+    @Override
+    public ItemUseOp getItemUseOp() {
+        return ItemUseOp.ITEM_USE_ADD_RELIQUARY_EXP;
+    }
+
+    public ItemUseAddReliquaryExp(String[] useParam) {
+        try {
+            this.exp = Integer.parseInt(useParam[0]);
+        } catch (NumberFormatException ignored) {}
+    }
+}