Update on_startup.sh

on_startup.sh

@@ -4,4 +4,10 @@
 # git clone https://github.com/huggingface/transformers.git
 # cd transformers && pip install -e ".[dev]"
 npm install -g ijavascript
-ijsinstall
+ijsinstall
+go install github.com/gopherdata/gophernotes@v0.7.5
+mkdir -p ~/.local/share/jupyter/kernels/gophernotes
+cd ~/.local/share/jupyter/kernels/gophernotes
+cp "$(go env GOPATH)"/pkg/mod/github.com/gopherdata/gophernotes@v0.7.5/kernel/*  "."
+chmod +w ./kernel.json # in case copied kernel.json has no write permission
+sed "s|gophernotes|$(go env GOPATH)/bin/gophernotes|" < kernel.json.in > kernel.json