Update README.md

This dataset is used for my thesis to fine-tune language models on Czech unstructured text for anaphora resolution. It is based on data from the Prague Dependency Treebank, specifically the PDTC 1.0 (https://lindat.mff.cuni.cz/repository/xmlui/handle/11234/1-3185)

README.md

@@ -44,4 +44,6 @@ configs:
     path: data/validation-*
   - split: test
     path: data/test-*
----
+size_categories:
+- 10K<n<100K
+---