* gnn

* update notes

* remove files

* remove files

* remove files

* update

* machine-learning-with-networks/graph-neural-networks.md

* machine-learning-with-networks/graph-neural-networks.md

* update

* fix shared across all nodes

* update notes

* update notes

* proofread again

* proofread again

* proofread again

* proofread again

* GraphSAGE