Add pipeline tag and library name

This PR adds the pipeline tag (audio-to-audio), as well as the library name (transformers). This ensures it can be found at https://huggingface.co/models?pipeline_tag=audio-to-audio as well as makes the model easier to use by linking the model with the Transformers library, so that the 'how to use' button appears on the top.

README.md

@@ -1,8 +1,11 @@
 ---
-license: mit
 language:
 - en
+license: mit
+pipeline_tag: audio-to-audio
+library_name: transformers
 ---
+
 # MagiCodec: Simple Masked Gaussian-Injected Audio Codec for High-Fidelity Reconstruction & Generation
 
 [![github](https://img.shields.io/badge/Code-Repo-black?logo=github)](https://github.com/Ereboas/MagiCodec)