Add a layout state specification to a trelliscope display
Source:R/pipe_functions.R
      set_default_layout.RdAdd a layout state specification to a trelliscope display
Arguments
- trdf
- A trelliscope data frame created with - as_trelliscope_df()or a data frame which will be cast as such.
- ncol
- Number of columns of panels to show. 
- page
- The page number to show. 
- Should the sidebar be shown? 
- visible_filters
- A vector of variable names to add as visible filters in the sidebar.