Add Stable Diffusion Interpolation Example (#862)

* ✨ Add Stable Diffusion Interpolation Example

* 💄

 style

* Update examples/community/interpolate_stable_diffusion.py
Co-authored-by: Patrick von Platen <patrick.v.platen@gmail.com>

examples/community/README.md

@@ -6,3 +6,4 @@
 |:----------|:----------------------|:-----------------|----------:|
 | CLIP Guided Stable Diffusion | Doing CLIP guidance for text to image generation with Stable Diffusion| [Suraj Patil](https://github.com/patil-suraj/) | [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/huggingface/notebooks/blob/main/diffusers/CLIP_Guided_Stable_diffusion_with_diffusers.ipynb) |
 | One Step U-Net (Dummy) | Example showcasing of how to use Community Pipelines (see https://github.com/huggingface/diffusers/issues/841) | [Patrick von Platen](https://github.com/patrickvonplaten/) | - |
+| Stable Diffusion Interpolation | Interpolate the latent space of Stable Diffusion between different prompts/seeds | [Nate Raw](https://github.com/nateraw/) | - |
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