Update docs

docs/tutorials/index.md

@@ -51,3 +51,9 @@ data, with some interesting takeaways.
 [Variational continual learning](https://arxiv.org/abs/1710.10628) notebook for a simple
 regression task that's easy to visualize.
 
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+[<img style="float: right; width: 6em" src="https://storage.googleapis.com/posteriors/pyro_posteriors.png">](https://github.com/normal-computing/posteriors/blob/main/examples/pyro_pima_indians_vi.ipynb)
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+- [`pyro_pima_indians_vi`](https://github.com/normal-computing/posteriors/blob/main/examples/pyro_pima_indians_vi.ipynb):
+An accessible notebook demonstrating the use of `posteriors` with a [`pyro`](https://pyro.ai) defined Bayesian logistic regression model.
+