Properly enable demo mode for OpenPanel

demo_mode_openpanel.sh

# enable demo
opencli config update demo_mode on

# disaable dev
opencli config update dev_mode off

# purge all redis cache so dev_mode value is instantly active and any sensitive data removed
docker exec -it openpanel_redis redis-cli FLUSHALL

# restart user and admin panels
docker --context=default restart openpanel
service admin restart

# enable auto updates
opencli config update autopatch on
opencli config update autoupdate on

# limit ssh access

# edit all volumes to read-only in compose files

# clean all logs and bash history