Send raw HTML code in a character string to the
    frontend
     
    
    Usage
    raw_html(text, id = UUIDgenerate(), update = FALSE)
 
     
    
    Arguments
- text
 
A character string with LaTeX code for math
 
- id
 
A character string with the display id
 
- update
 
A logical value, should an existing display_data option?