初版Step运行代码；

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2024-03-12 25dd2203bb3b995d73c43733b3aaa049ec28b4a9

 Models/Sequence.cs

@@ -37,5 +37,12 @@
            return this;
        }

        public void Run()

        {

            foreach (Step step in Steps) {

                step.Run();
            }
        }

    }
}