Add new maps and tileset for the game world

- Created room1.tmx and room1.lua for the first room in the game, including tiles, collision objects, and NPCs.
- Added room2.tmx and room2.lua for the second room, featuring tiles, collision objects, and an enemy.
- Introduced a world template to manage map transitions and layout.
- Implemented a new tileset (castle.tsx and castle.lua) for the castle theme, including tile properties and image references.

scripts/data/items/ultimate_candy.lua

@@ -0,0 +1,58 @@
+-- Instead of Item, create a HealItem, a convenient class for consumable healing items
+local item, super = Class(HealItem, "ultimate_candy")
+
+function item:init()
+    super.init(self)
+
+    -- Display name
+    self.name = "UltimatCandy"
+    -- Name displayed when used in battle (optional)
+    self.use_name = "ULTIMATE CANDY"
+
+    -- Item type (item, key, weapon, armor)
+    self.type = "item"
+    -- Item icon (for equipment)
+    self.icon = nil
+
+    -- Battle description
+    self.effect = "Best\nhealing"
+    -- Shop description
+    self.shop = "Perfection"
+    -- Menu description
+    self.description = "Sparkles with perfection.\nMust be shared with everyone. +??HP"
+
+    -- Amount healed (HealItem variable)
+    self.heal_amount = 1
+
+    -- Default shop price (sell price is halved)
+    self.price = 100
+    -- Whether the item can be sold
+    self.can_sell = true
+
+    -- Consumable target mode (ally, party, enemy, enemies, or none)
+    self.target = "party"
+    -- Where this item can be used (world, battle, all, or none)
+    self.usable_in = "all"
+    -- Item this item will get turned into when consumed
+    self.result_item = nil
+    -- Will this item be instantly consumed in battles?
+    self.instant = false
+
+    -- Equip bonuses (for weapons and armor)
+    self.bonuses = {}
+    -- Bonus name and icon (displayed in equip menu)
+    self.bonus_name = nil
+    self.bonus_icon = nil
+
+    -- Equippable characters (default true for armors, false for weapons)
+    self.can_equip = {}
+
+    -- Character reactions (key = party member id)
+    self.reactions = {
+        susie = "Hey! It's hollow inside!",
+        ralsei = "I like the texture!",
+        noelle = "That was underwhelming...",
+    }
+end
+
+return item