Add startup

desktop/km3book/startup.sh

+#!/bin/bash
+
+NOTEBOOK_DIR=$HOME/notebooks
+
+cat << EOF > Dockerfile
+FROM docker.km3net.de/km3book:1.0.0
+RUN useradd -d $NOTEBOOK_DIR -u $(id -u) -s /bin/bash $USER
+RUN apt-get install -qq -y vim
+
+USER $USER
+CMD jupyter lab --ip=0.0.0.0 --port=8888 --no-browser --notebook-dir=$NOTEBOOK_DIR
+#CMD bash
+EXPOSE 22
+EOF
+
+docker build -t km3book:1.0.0 -f Dockerfile .
+docker run -p 8000:8888 -p 2200:22 -u $(id -u) -v $NOTEBOOK_DIR:$NOTEBOOK_DIR -it km3book:1.0.0