feat: add scripts/example.py

Signed-off-by: Thiago P. Bueno <thiago.pbueno@gmail.com>

scripts/example.py

@@ -0,0 +1,20 @@
+import rddlgym
+
+from tfrddlsim.policy import RandomPolicy
+from tfrddlsim.simulation.policy_simulator import PolicySimulator
+from tfrddlsim.viz import GenericVisualizer
+
+# parse and compile RDDL
+compiler = rddlgym.make('Reservoir-8', mode=rddlgym.SCG)
+compiler.init()
+
+# run simulations
+horizon = 40
+batch_size = 128
+policy = RandomPolicy(compiler, batch_size)
+simulator = PolicySimulator(compiler, policy, batch_size)
+trajectories = simulator.run(horizon)
+
+# visualize trajectories
+viz = GenericVisualizer(compiler, verbose=True)
+viz.render(trajectories)