feat: initialize majiang-rl project

main.py

@@ -0,0 +1,14 @@
+from majiang_rl import MahjongEnv
+from majiang_rl.rl import RandomAgent, run_training
+
+
+def main():
+    env = MahjongEnv()
+    agent = RandomAgent()
+    results = run_training(env, agent, episodes=5)
+    for idx, result in enumerate(results, start=1):
+        print(f"Episode {idx}: reward={result.total_reward}, steps={result.steps}")
+
+
+if __name__ == "__main__":
+    main()