Add pipeline tag, library name, link to paper

This PR ensures the model can be found at https://huggingface.co/models?pipeline_tag=text-classification. It also adds the library name, and a link to the paper, which is https://huggingface.co/papers/2501.04828.

README.md

@@ -1,3 +1,9 @@
----
-license: apache-2.0
----
+```yaml
+---
+license: apache-2.0
+library_name: transformers
+pipeline_tag: text-classification
+---
+
+This model is used for named entity recognition, and presented in [Building Foundations for Natural Language Processing of Historical Turkish: Resources and Models](https://huggingface.co/papers/2501.04828).
+```