added base classes for mcts and strategy

i_mcts.py

@@ -0,0 +1,21 @@
+import chess
+from abc import ABC, abstractmethod
+from IStrategy import IStrategy
+
+
+class IMcts(ABC):
+
+    def __init__(self, board: chess.Board, strategy: IStrategy):
+        self.board = board
+
+    @abstractmethod
+    def sample(self, runs: int = 1000) -> None:
+        pass
+
+    @abstractmethod
+    def apply_move(self, move: chess.Move) -> None:
+        pass
+
+    @abstractmethod
+    def get_children(self) -> list['Mcts']:
+        pass