less hit reward cubewars

Project/Assets/ML-Agents/Examples/CubeWars/Scripts/SmallCubeAgent.cs

                 {
                     hit.collider.gameObject.GetComponent<LargeCubeAgent>().HitAgent(.01f);
 
-                    AddReward(.1f + .4f * m_Bonus);
+                    AddReward(.02f + .5f * m_Bonus);
                 }
                 myLaser.isFired = true;
             }