Summary: Formlabs Form 4 added to menu

Why It Matters: This shows a new 3D printer is being offered.

What Changed:

• A link to "Formlabs Form 4" was added under the "Formlabs" section within "3D Printers".
• The text "3D Scanner" was replaced with "3D Printer / SLA".
• The link and heading for "3D Scanners from Artec and ZEISS" were replaced with "Formlabs Form 4".