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/battle/waves/movingarena.lua

@@ -0,0 +1,38 @@
+local MovingArena, super = Class(Wave)
+
+function MovingArena:init()
+    super.init(self)
+
+    -- Initialize timer
+    self.siner = 0
+end
+
+function MovingArena:onStart()
+    -- Get the arena object
+    local arena = Game.battle.arena
+
+    -- Spawn spikes on top of arena
+    self:spawnBulletTo(Game.battle.arena, "arenahazard", arena.width / 2, 0, math.rad(0))
+
+    -- Spawn spikes on bottom of arena (rotated 180 degrees)
+    self:spawnBulletTo(Game.battle.arena, "arenahazard", arena.width / 2, arena.height, math.rad(180))
+
+    -- Store starting arena position
+    self.arena_start_x = arena.x
+    self.arena_start_y = arena.y
+end
+
+function MovingArena:update()
+    -- Increment timer for arena movement
+    self.siner = self.siner + DT
+
+    -- Calculate the arena Y offset
+    local offset = math.sin(self.siner * 1.5) * 60
+
+    -- Move the arena
+    Game.battle.arena:setPosition(self.arena_start_x, self.arena_start_y + offset)
+
+    super.update(self)
+end
+
+return MovingArena