Add library name and pipeline tag

This PR improves the metadata by adding `library_name` and `pipeline_tag` as metadata.

README.md

@@ -1,12 +1,15 @@
 ---
-license: apache-2.0
+base_model:
+- mistralai/Mistral-7B-v0.1
 datasets:
 - allenai/dolma
 language:
 - en
-base_model:
-- mistralai/Mistral-7B-v0.1
+license: apache-2.0
+library_name: transformers
+pipeline_tag: text-generation
 ---
+
 # TESS 2 v0.1 Base
 
 This model is the diffusion adapted TESS 2. This model is a simplex-based diffusion model adapted from Mistral v0.1 7B, further trained on Dolma 1.7.