initial data commit.

replay.py

@@ -0,0 +1,12 @@
+from stable_baselines3 import TD3
+from car_racing_env import CarRacing
+
+test_env = CarRacing(render_mode="human")
+best = TD3.load("./td3_run_2_best/best_model.zip", env=test_env)
+obs, info = test_env.reset()
+done = trunc = False
+while not (done or trunc):
+    action, _ = best.predict(obs, deterministic=True)
+    obs, r, done, trunc, info = test_env.step(action)
+    test_env.render()
+test_env.close()