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/world/template.world

@@ -0,0 +1,20 @@
+{
+    "maps": [
+        {
+            "fileName": "maps/room1.tmx",
+            "height": 960,
+            "width": 800,
+            "x": 0,
+            "y": 0
+        },
+        {
+            "fileName": "maps/room2.tmx",
+            "height": 480,
+            "width": 800,
+            "x": 880,
+            "y": -120
+        }
+    ],
+    "onlyShowAdjacentMaps": false,
+    "type": "world"
+}