feat: 2026 class will hopefully run better

agent.py

@@ -0,0 +1,15 @@
+from typing import Union
+
+class Agent:
+
+  def calculate_move(self, col: Union[int, None]) -> int:
+    if col is None:
+      # TODO: Determine what move to make when going first
+      raise NotImplementedError("Agent needs to implement calculate_move")
+
+    # TODO: Determine what move to make, given the opponent just played in the 'col' index of the board
+    raise NotImplementedError("Agent needs to implement calculate_move")
+
+  def reset(self):
+    # TODO: Reset the Agent's internal states for a new game
+    raise NotImplementedError("Agent needs to implement reset()")