Fix tab missing name property

redstring/parser.py

@@ -126,6 +126,7 @@ class DocumentTab:
     A division of tags within a document.
     """
     def __init__(self, name: str, tags: List[DocumentTag], options: TabOptions) -> None:
+        self.name = name
         self.tags: List[DocumentTag] = tags
         self.options: TabOptions = options