Add __init__.py

__init__.py

@@ -0,0 +1,26 @@
+"""
+rans_env — RANS spacecraft navigation environment for OpenEnv.
+
+Paper: "RANS: Highly-Parallelised Simulator for Reinforcement Learning based
+Autonomous Navigating Spacecrafts", El-Hariry, Richard, Olivares-Mendez (2023).
+arXiv:2310.07393
+
+Quick start::
+
+    from rans_env import RANSEnv, SpacecraftAction
+
+    with RANSEnv(base_url="http://localhost:8000").sync() as env:
+        obs = env.reset()
+        result = env.step(SpacecraftAction(thrusters=[0] * 8))
+        print(result.reward)
+"""
+
+from .client import RANSEnv
+from .models import SpacecraftAction, SpacecraftObservation, SpacecraftState
+
+__all__ = [
+    "RANSEnv",
+    "SpacecraftAction",
+    "SpacecraftObservation",
+    "SpacecraftState",
+]