Update to convert3d

{
  "description": "Introduce convert3d and open the 3D viewer when the user chooses Set up for convert3d or asks how to get started.",
  "included_files": [],
  "name": "onboarding",
  "skill_md_contents": "---\nname: onboarding\ndescription: Introduce convert3d and open the 3D viewer when the user chooses Set up for convert3d or asks how to get started.\n---\n\n# Get started with convert3d\n\nIn two or three short sentences, tell the user what convert3d does here:\n\n- It opens 3D and CAD files (SketchUp, DWG, STEP, FBX, USDZ, Blender, SolidWorks and dozens more) in a viewer in ChatGPT, and converts them to formats such as GLB, STL, STEP, FBX or USDZ, right in the browser.\n- The user can attach a file to the chat, or open one in the viewer.\n\nThen call `open_3d_viewer` with `{}` and invite the user to open a file in it.\n\nIf they installed convert3d during an existing task, continue that task in the same conversation instead of starting the tour.\n"
}