Adding a ReFT notebook to the tutorials section (#741)

This PR aims to add a tutorial notebook to utilize the `Loreft` adapter
to fine-tune `roberta-base` on the `mnli` dataset.

Author: julian-fong

notebooks/README.md

@@ -33,3 +33,5 @@ As adapters is fully compatible with HuggingFace's Transformers, you can also us
 | [Adapter Drop Training](https://github.com/Adapter-Hub/adapters/blob/main/notebooks/Adapter_Drop_Training.ipynb) | How to train an adapter using AdapterDrop | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/Adapter-Hub/adapters/blob/main/notebooks/Adapter_Drop_Training.ipynb) |
 | [Inference example for id2label](https://github.com/Adapter-Hub/adapters/blob/main/notebooks/Adapter_train_NER_with_id2label.ipynb) | How to use the id2label dictionary for inference | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/Adapter-Hub/adapters/blob/main/notebooks/Adapter_id2label_inference.ipynb) |
 | [NER on Wikiann](https://github.com/Adapter-Hub/adapters/blob/main/notebooks/08_NER_Wikiann.ipynb) | Evaluating adapters on NER on the wikiann dataset | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/Adapter-Hub/adapters/blob/main/notebooks/08_NER_Wikiann.ipynb) |
+| [Finetuning Whisper with Adapters](https://github.com/Adapter-Hub/adapters/blob/main/notebooks/Adapter_Whisper_Audio_FineTuning.ipynb) | Fine Tuning Whisper using LoRA | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/Adapter-Hub/adapters/blob/main/notebooks/Adapter_Whisper_Audio_FineTuning.ipynb) |
+| [Adapter Training with ReFT](https://github.com/Adapter-Hub/adapters/blob/main/notebooks/ReFT_Adapters_Finetuning.ipynb) | Fine Tuning using ReFT Adapters | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/Adapter-Hub/adapters/blob/main/notebooks/ReFT_Adapters_Finetuning.ipynb) |