Fixed awarding and penalty at the end of each game

a_player.py

@@ -1,6 +1,12 @@
+import enum
+
 import numpy as np
 from numpy.random import uniform
 
+class Reason(enum.Enum):
+    Won = 1
+    Lost = 2
+    Undecided = 3
 
 class APlayer(object):
     def __init__(self, mark):
@@ -15,6 +21,9 @@ class APlayer(object):
     def move(self, state: np.array):
         return state, False
 
+    def reward(self, value):
+        pass
+
     def new_game(self):
         pass