Create ast package

smnp/ast/node/list.py

@@ -0,0 +1,17 @@
+from smnp.ast.node.model import Node
+
+
+class ListNode(Node):
+    pass
+
+
+class ListItemNode(Node):
+    def __init__(self, value, parent, pos):
+        Node.__init__(self, parent, pos)
+        self.children.append(value)
+
+        self.value = self.children[0]
+
+
+class CloseListNode(Node):
+    pass