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/aiming.lua

@@ -0,0 +1,30 @@
+local Aiming, super = Class(Wave)
+
+function Aiming:onStart()
+    -- Every 0.5 seconds...
+    self.timer:every(1 / 2, function()
+        -- Get all enemies that selected this wave as their attack
+        local attackers = self:getAttackers()
+
+        -- Loop through all attackers
+        for _, attacker in ipairs(attackers) do
+
+            -- Get the attacker's center position
+            local x, y = attacker:getRelativePos(attacker.width / 2, attacker.height / 2)
+
+            -- Get the angle between the bullet position and the soul's position
+            local angle = MathUtils.angle(x, y, Game.battle.soul.x, Game.battle.soul.y)
+
+            -- Spawn smallbullet angled towards the player with speed 8 (see scripts/battle/bullets/smallbullet.lua)
+            self:spawnBullet("smallbullet", x, y, angle, 8)
+        end
+    end)
+end
+
+function Aiming:update()
+    -- Code here gets called every frame
+
+    super.update(self)
+end
+
+return Aiming