Schematic docs don't explain how to import an image to the editor

[budak7273]

M Schematic Icon

The icon displayed on a HUB milestone, MAM Research, or AWESOME Shop page and preview.
Set both this field and M Small Schematic Icon to this example image.

Probably make a heading beforehand for importing the image

https://docs.ficsit.app/satisfactory-modding/latest/Development/BeginnersGuide/SimpleMod/recipe.html#_assign_schematic_properties