Merge branch 'main' of https://github.com/AntonioLonga/PytorchGeometricTutorial into main

Author: GabrieleSantin

README.md

@@ -28,13 +28,13 @@ Feel free to join our weekly online tutorial! For more details, have a look at t
 
 * Tutorial8: [Graph Generation.](https://youtu.be/embpBq1gHAE)
 
-* Tutorial9: [Recurrent Graph Neural Networks.](https://youtu.be/v7TQ2DUoaBY) - [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/AntonioLonga/PytorchGeometricTutorial/blob/main/Tutorial9/Tutorial9.ipynb)
+* Tutorial9: [Recurrent Graph Neural Networks.](https://youtu.be/v7TQ2DUoaBY) - [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/AntonioLonga/PytorchGeometricTutorial/blob/main/Tutorial9/Tutorial9.ipynb) [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/AntonioLonga/PytorchGeometricTutorial/blob/main/Tutorial9/RecGNN_tutorial.ipynb)
 
 * Tutorial10: [DeepWalk and Node2Vec (Theory).](https://youtu.be/QZQBnl1QbCQ)
 
 * Tutorial11: [DeepWalk and Node2Vec (Practice).](https://youtu.be/5YOcpI3dB7I) - [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/AntonioLonga/PytorchGeometricTutorial/blob/main/Tutorial11/Tutorial11.ipynb)
 
-* Tutorial12: [Edge analysis.](https://youtu.be/m1G7oS9hmwE) - [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/AntonioLonga/PytorchGeometricTutorial/blob/main/Tutorial12/Tutorial12%20GAE%20for%20link%20prediction.ipynb), [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/AntonioLonga/PytorchGeometricTutorial/blob/main/Tutorial12/Tutorial12%20Node2Vec%20for%20label%20prediction.ipynb)
+* Tutorial12: [Edge analysis.](https://youtu.be/m1G7oS9hmwE) - [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/AntonioLonga/PytorchGeometricTutorial/blob/main/Tutorial12/Tutorial12%20GAE%20for%20link%20prediction.ipynb) [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/AntonioLonga/PytorchGeometricTutorial/blob/main/Tutorial12/Tutorial12%20Node2Vec%20for%20label%20prediction.ipynb)
 
 * Tutorial13: [Metapath2vec.](https://youtu.be/GtPoGehuKYY) - [![Open In Colab](https://colab.research.google.com/assets/colab-badge.svg)](https://colab.research.google.com/github/AntonioLonga/PytorchGeometricTutorial/blob/main/Tutorial13/Tutorial13.ipynb)