This function sets the font family for all customizable parts of a gt table
including title, table body, labels, label spanners, and more. This is a convenience
function if you want to quickly apply a font to your table.
     
    
    Usage
    gt_set_font(gt_table, font_family, from_google_font = TRUE)
 
    
    Arguments
- gt_table
- A gt table object. 
- font_family
- The font family to apply to the entire table. 
- from_goog_font
- Should the font be pulled from Google Fonts (TRUE;
default) or from your local machine (FALSE) 
 
    
    Value
    A gt table with the specified font family applied to all customizable parts.