add robot models xml etc

remove isaaclab, add test scripts

added simulator to the hub

remove mujoco env

test_locomotion_minimal.py

@@ -0,0 +1,24 @@
+#!/usr/bin/env python
+"""Minimal test script - just initialize robot with locomotion."""
+
+import sys
+from pathlib import Path
+import time
+sys.path.insert(0, str(Path(__file__).parent / "src"))
+
+from lerobot.robots.unitree_g1.config_unitree_g1 import UnitreeG1Config
+from lerobot.robots.unitree_g1.unitree_g1 import UnitreeG1
+
+config = UnitreeG1Config(locomotion_control=True, simulation_mode=True
+, policy_path="src/lerobot/robots/unitree_g1/assets/g1/locomotion/GR00T-WholeBodyControl-Walk-converted.onnx")
+#, policy_path="src/lerobot/robots/unitree_g1/assets/g1/locomotion/motion.pt")
+# dance 102
+robot = UnitreeG1(config)
+# Keep alive
+try:
+    while True:
+        time.sleep(1.0)
+except KeyboardInterrupt:
+    robot.stop_locomotion_thread()
+
+