HF RL Explorer

Problem

Problem: a task in LegoFlow-SWE (Harbor dataset). Desired solution Introduce a single, unified TiledMapLoader class that can load any tiled map format without the user specifying the loader type. The loader should:

The task

**Desired solution** Introduce a single, unified `TiledMapLoader` class that can load any tiled map format without the user specifying the loader type. The loader should:

Part of Lego-X/LegoFlow-SWE.