md preview

const MdPreviewIcon = (props) => (
  <svg 
    xmlns="http://www.w3.org/2000/svg" 
    viewBox="0 0 24 24" 
    width="24"
    height="24"
    fill="none" 
    stroke="currentColor" 
    strokeWidth="2" 
    strokeLinecap="round" 
    strokeLinejoin="round" 
    {...props}
  >
    <g><path d="M19,3H5C3.89,3,3,3.9,3,5v14c0,1.1,0.89,2,2,2h14c1.1,0,2-0.9,2-2V5C21,3.9,20.11,3,19,3z M19,19H5V7h14V19z M12,10.5 c1.84,0,3.48,0.96,4.34,2.5c-0.86,1.54-2.5,2.5-4.34,2.5S8.52,14.54,7.66,13C8.52,11.46,10.16,10.5,12,10.5 M12,9 c-2.73,0-5.06,1.66-6,4c0.94,2.34,3.27,4,6,4s5.06-1.66,6-4C17.06,10.66,14.73,9,12,9L12,9z M12,14.5c-0.83,0-1.5-0.67-1.5-1.5 s0.67-1.5,1.5-1.5s1.5,0.67,1.5,1.5S12.83,14.5,12,14.5z"/></g>
  </svg>
);