#3513248: Add Drupal logo SDC

• SDC with the following props:
  • Variant: Horizontal (default), Vertical, Drop icon;
  • Color: Drupal Blue (default), Drupal Navy, White, Black;
  • Size: Default (default), Full Width, Full Height.
• Default size matches size in Drupal.org's header.
• SVG assets downloaded from Drupal's brand portal and cleaned up.