add example in update.sh-dist

#!/usr/bin/env sh

echo "updating..."

# add your own logic

# git pull

# ./venv/bin/pip install -r requirements.txt

# ./venv/bin/python manage.py migrate

# ./venv/bin/python manage.py collectstatic --no-input

# sudo systemctl restart jama

echo "... done."

 No newline at end of file