Add library name, link to code

This PR adds the `library_name` tag and links to code, and links the model to the Github repository.

README.md

@@ -1,9 +1,10 @@
 ---
-pipeline_tag: text-generation
-language:
-- en
 datasets:
 - allenai/c4
+language:
+- en
+pipeline_tag: text-generation
+library_name: transformers
 ---
 
 This is a 800M parameters model pre-trained with [QuEST](https://huggingface.co/papers/2502.05003) over 80B C4 tokens in INT4 format (W4A4).