feat: Add core map generation and management system

- Introduced MapData, MapGenerator, and MapPainter classes for procedural map generation.
- Implemented LevelManager to handle level initialization and navigation.
- Created TurnManager for managing turn order in a turn-based system.
- Added Player and Enemy character classes with movement and turn-taking capabilities.
- Established pathfinding using AStar2D in PathfindingHandler.
- Integrated new scenes for player and enemy characters, along with world setup.
- Included a new tileset for futuristic Zelda-themed assets.

scripts/world.gd

@@ -0,0 +1,30 @@
+## world.gd
+# Main world node script. Sets up the map, player, and level on scene ready.
+extends Node
+
+# Reference to the TileMapLayer node for rendering the map.
+
+# Reference to the TileMapLayer node for rendering the map.
+var map_layer: TileMapLayer
+# Path to the Player scene to instance.
+const PLAYER_SCENE_PATH: String = "res://scenes/actors/player.tscn"
+# Reference to the Player node.
+var player: Player
+# Map generation settings (size, room count, etc.).
+var settings: MapSettings = MapSettings.new()
+
+# Called when the node is added to the scene tree.
+# Initializes references and triggers map setup.
+func _ready() -> void:
+	map_layer = $MapLayer
+	# Do not assume Player is already in the scene tree; instance it after map generation.
+	call_deferred("_initialize_map")
+
+# Initializes the map and level using LevelManager.
+# Ensures the map is generated and the player is placed.
+func _initialize_map() -> void:
+	# Instance the Player after the map is generated and add to the scene tree.
+	var player_scene: PackedScene = load(PLAYER_SCENE_PATH)
+	player = player_scene.instantiate() as Player
+	add_child(player)
+	LevelManager.initialize(settings, map_layer, player)