Create all non-level-1 div section in markdown
create_div.RdWrites a formatted `div` block to the quarto document. Format of the `div` block is determined by the `all.layouts` table.
Arguments
- all.layouts
output of get_design
- xx
defined as a global variable in create_section.
- x
Character string, the label or variable name to include in the header. Defaults to `"vname"`.