add table for settings, in anticipation of teachers/students
add table for settings, in anticipation of teachers/students

daveagp/websheets,dz0/websheets,dz0/websheets,daveagp/websheets,dz0/websheets,dz0/websheets,dz0/websheets,dz0/websheets,daveagp/websheets,daveagp/websheets,daveagp/websheets,daveagp/websheets