Add pipeline tag and library name

This PR adds the missing `pipeline_tag` and `library_name` metadata to the model card. This ensures the model is properly categorized under text generation and enables the Transformers code snippet on the model page.

README.md

@@ -1,9 +1,11 @@
 ---
-license: apache-2.0
 base_model: Cloudflare/clef
-base_model_relation: quantized
+license: apache-2.0
 tags:
-  - quantized
+- quantized
+base_model_relation: quantized
+library_name: transformers
+pipeline_tag: text-generation
 ---
 
 # clef-NVFP4
@@ -16,4 +18,4 @@ Paper: https://arxiv.org/abs/2611.15671
 
 Measurements, recipes and per-record outputs: https://github.com/Level5Tech/clef-quant-bench
 
-The base model is under Apache-2.0. Its LICENSE is included here, and NOTICE says these weights were modified by quantization.
+The base model is under Apache-2.0. Its LICENSE is included here, and NOTICE says these weights were modified by quantization.