Organize custom scripts under Assets/Baba_yaga and merge Opsive folders to Assets root

Assets/Baba_yaga/AI NPC/Sequence.cs

@@ -0,0 +1,47 @@
+using System.Collections.Generic;
+
+public class Sequence : Node
+{
+    private List<Node> nodes = new List<Node>();
+
+    public Sequence(List<Node> nodes)
+    {
+        this.nodes = nodes;
+    }
+
+    public override NodeState Evaluate()
+    {
+        var isAnyChildRunning = false;
+        foreach (var node in nodes)
+        {
+            switch (node.Evaluate())
+            {
+                case NodeState.Failure:
+                    state = NodeState.Failure;
+                    return state;
+                case NodeState.Success:
+                    continue;
+                case NodeState.Running:
+                    isAnyChildRunning = true;
+                    continue;
+            }
+        }
+        state = isAnyChildRunning ? NodeState.Running : NodeState.Success;
+        return state;
+    }
+}
+public class TaskNode : Node
+{
+    public delegate NodeState TaskDelegate();
+    private TaskDelegate action;
+
+    public TaskNode(TaskDelegate action)
+    {
+        this.action = action;
+    }
+    
+    public override NodeState Evaluate()
+    {
+        return action();
+    }
+}