Adding a new section to the docs: Example Lightning Project Structures (#1851)

* Adding a new section to the docs: Example Lightning Project Structures

* Update index.rst

* Update index.rst

Co-authored-by: William Falcon <waf2107@columbia.edu>

docs/source/index.rst

@@ -31,6 +31,7 @@ PyTorch Lightning Documentation
    :caption: Community Examples
 
    Contextual Emotion Detection (DoubleDistilBert) <https://github.com/PyTorchLightning/emotion_transformer>
+   FasterRCNN object detection + Hydra <https://github.com/PyTorchLightning/wheat>
    Generative Adversarial Network <https://colab.research.google.com/drive/1F_RNcHzTfFuQf-LeKvSlud6x7jXYkG31#scrollTo=TyYOdg8g77P0>
    Hyperparameter optimization with Optuna <https://github.com/optuna/optuna/blob/master/examples/pytorch_lightning_simple.py>
    Image Inpainting using Partial Convolutions <https://github.com/ryanwongsa/Image-Inpainting>
@@ -51,6 +52,13 @@ PyTorch Lightning Documentation
 
    From PyTorch to PyTorch Lightning <https://towardsdatascience.com/from-pytorch-to-pytorch-lightning-a-gentle-introduction-b371b7caaf09>
 
+.. toctree::
+   :maxdepth: 1
+   :name: project structure
+   :caption: Recommended Lightning Project Layout
+
+   Lightning project seed <https://github.com/PyTorchLightning/pytorch-lightning-conference-seed>
+
 .. toctree::
    :maxdepth: 1
    :name: Common Use Cases
@@ -110,4 +118,4 @@ Indices and tables
    api/pytorch_lightning.overrides
    api/pytorch_lightning.profiler
    api/pytorch_lightning.trainer
-   api/pytorch_lightning.utilities
+   api/pytorch_lightning.utilities