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.

mod.lua

@@ -0,0 +1,6 @@
+function Mod:init()
+    Game:registerEvent("squeak", function(data)
+        return Squeak(data.x, data.y, {data.width, data.height, data.polygon})
+    end)
+    print("Loaded " .. self.info.name .. "!")
+end