code: def placeholdit(
      width,
      height,
      background_color="cccccc",
      text_color="969696",
      text=None,
      random_background_color=False
  ):
      
      url = get_placeholdit_url(
          width,
          height,
          background_color=background_color,
          text_color=text_color,
          text=text,
      )
      return format_html('<img src="{}"/>', url)
docs: Creates a placeholder image using placehold.it
  
      Usage format:
  
        {% placeholdit [width] [height] [background_color] [text_color] [text] %}
  
      Example usage:
  
          Default image at 250 square
          {% placeholdit 250 %}
  
          100 wide and 200 high
          {% placeholdit 100 200 %}
  
          Custom background and text colors
          {% placeholdit 100 200 background_color='fff' text_color=000' %}
  
          Custom text
          {% placeholdit 100 200 text='Hello LA' %}