Add DecisionTree class with just init

src/AI/DecisionTrees/DecisionTree.py

@@ -0,0 +1,13 @@
+from typing import List, Any
+
+from src.AI.DecisionTrees.AttributeDefinition import AttributeDefinition
+
+
+class DecisionTree(object):
+    root: AttributeDefinition
+    branches: List[Any]
+
+    def __init__(self, root):
+        self.root = root
+        self.branches = []
+        self.branchesNum = 0