add installation instructions

README.md

@@ -1,4 +1,13 @@
-# How to use this
+# How to use this model on Python
+
+You can use a Google Colab notebook, please ensure you install
+
+```
+!pip install -q bitsandbytes datasets accelerate loralib
+!pip install -q git+https://github.com/huggingface/peft.git git+https://github.com/huggingface/transformers.git
+```
+
+You can then copy and paste this into a cell, or use as a standalone Python script.
 
 ```
 import torch