Add library name, pipeline tag and link to GitHub repository

This PR adds the `library_name` (transformers) and `pipeline_tag` (text-generation) to the model card to enhance discoverability. It also includes a link to the GitHub repository for the project.

README.md

@@ -1 +1,8 @@
-https://arxiv.org/abs/2502.06858
+---
+library_name: transformers
+pipeline_tag: text-generation
+---
+
+This repository contains the model described in the paper [LLM-Supported Natural Language to Bash Translation](https://arxiv.org/abs/2502.06858).
+
+Code: https://github.com/westenfelder/NL2SH