A Blender 3.3.x script for getting a plane into a retopo setup quickly

1. Select Mesh to Retopolgize (Make sure it is centered around the origin.
2. Search for the "Setup Retopology" operator
3. The following tasks are run

• Retopo Geometry is Created and moved out to a selectable Y distance
• Selectable Add Shrinkwrap with target mesh
• Selectable Add Mirror modifier with offset of plane (clipping on)
• Subsurf Modifier in object mode only
• Set Object to "Show in Front"
• Set Object color to selectable color
• Turn on Snapping
  • Set Snapping to Face
  • Set "Project Individual Elements" in snapping
• Set the Viewport shading to solid
  • Set the window shading color type to object
  • Turns on Backface culling
  • Hidden Wire Shading
  • Fade Inactive Objects
• Adds Automerge with selectable distance

4. Use the settings popup to change the settings (especially the plane scale) to your needs