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.

map/map_settings.gd

@@ -0,0 +1,24 @@
+## MapSettings.gd
+# Resource for storing all configurable map generation settings.
+# Used by MapGenerator to control map size, room count, and room properties.
+class_name MapSettings
+extends Resource
+
+# Level size in tiles (width × height).
+@export var width: int = 50
+@export var height: int = 50
+# Minimum and maximum number of rooms to generate.
+@export var min_room_count: int = 5
+@export var max_room_count: int = 15
+
+# Room size constraints (in tiles).
+@export var min_room_size: int = 4
+@export var max_room_size: int = 10
+# Minimum number of tiles between rooms (prevents overlap).
+@export var room_padding:int = 5
+
+# Maximum number of attempts to place a room before giving up.
+@export var max_tries: int = 20
+
+# The actual number of rooms generated (set by MapGenerator).
+var room_count: int