add base team manager

com.unity.ml-agents.extensions/Runtime/Teams/BaseTeamManager.cs

-using System.Collections.Generic;
-using Unity.MLAgents;
-using Unity.MLAgents.Sensors;
-
 namespace Unity.MLAgents.Extensions.Teams
 {
     public class BaseTeamManager : ITeamManager
-        public virtual void OnAgentDone(Agent agent, Agent.DoneReason doneReason, List<ISensor> sensors)
-        {
-            // Possible implementation - save reference to Agent's IPolicy so that we can repeatedly
-            // call IPolicy.RequestDecision on behalf of the Agent after it's dead
-            // If so, we'll need dummy sensor impls with the same shape as the originals.
-            agent.SendDoneToTrainer();
-        }
 
         public virtual void RegisterAgent(Agent agent) { }
 

com.unity.ml-agents/Runtime/Agent.cs

 
         ITeamManager m_TeamManager;
 
+        ITeamManager m_TeamManager;
+
         /// <summary>
         /// Called when the attached [GameObject] becomes enabled and active.
         /// [GameObject]: https://docs.unity3d.com/Manual/GameObjects.html

com.unity.ml-agents/Runtime/Actuators/ITeamManager.cs

+using System.Collections.Generic;
+using Unity.MLAgents.Sensors;
+
+namespace Unity.MLAgents
+{
+    public interface ITeamManager
+    {
+        int GetId();
+
+        void RegisterAgent(Agent agent);
+    }
+}

com.unity.ml-agents/Runtime/Actuators/ITeamManager.cs.meta

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