[PR-1] added Jupyter Notebook dependency for installation (#123)

* [PR-1] added Jupyter Notebook dependency for installation

* [PR-1] added pip install notebook to OpenAi Chat Experiment Example

* updated readMe step

* added pip install notebook in ReadME

* Update README.md

* Update examples/notebooks/OpenAIChatExperiment.ipynb

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Co-authored-by: Kevin Tse <NivekT@users.noreply.github.com>

README.md

@@ -69,7 +69,10 @@ You can also run the notebook in [Google Colab](https://colab.research.google.co
 
 If you want to interact with `prompttools` using our playground interface, you can launch it with the following commands.
 
-First, install prompttools:
+You can run a simple example of a `prompttools` locally with the following
+
+```
+pip install notebook  # If jupyter notebook has not been installed
 
 ```
 pip install prompttools