Add lightning-geometric (#4771)

* add link

* typo

Co-authored-by: Nicki Skafte <skaftenicki@gmail.com>

docs/source/community_examples.rst

@@ -17,5 +17,6 @@ Community Examples
 - `Transformers Question Answering (SQuAD) <https://github.com/tshrjn/Finetune-QA/>`_.
 - `Atlas: End-to-End 3D Scene Reconstruction from Posed Images <https://github.com/magicleap/atlas>`_.
 - `Self-Supervised Representation Learning (MoCo and BYOL) <https://github.com/untitled-ai/self_supervised>`_.
-- `pytorch-forecasting: Time series forecasting package <https://github.com/jdb78/pytorch-forecasting>`_.
+- `Pytorch-Forecasting: Time series forecasting package <https://github.com/jdb78/pytorch-forecasting>`_.
 - `Transformers masked language modeling <https://github.com/yang-zhang/lightning-language-modeling>`_.
+- `Pytorch Geometric Examples with Pytorch Lightning and Hydra <https://github.com/tchaton/lightning-geometric>`_.