[OPENENGSB-2723] Updated the documentation saying that now maps are also supported
[OPENENGSB-2723] Updated the documentation saying that now maps are also supported

openengsb/openengsb,openengsb/openengsb,openengsb/openengsb,openengsb/openengsb,openengsb/openengsb,openengsb/openengsb