Adding `text-generation` pipeline tag

This will add the `text-generation` pipeline tag. This will make the model for visible and accessible for users.

README.md

@@ -6,6 +6,7 @@ tags:
 - pytorch
 - llama
 - llama-3.2
+pipeline_tag: text-generation
 ---
 
 # Llama 3.2 From Scratch