Update README.md

This is a repository with a preprocessed well known benchmarks (with QA tasks) that were used for PAI-2 GraphRAG-method evaluation . More details in our paper: arxiv.org/abs/2605.13481.

README.md

@@ -1,3 +1,7 @@
 ---
 license: mit
----
+task_categories:
+- question-answering
+language:
+- en
+---