Adding Images to Search Results pages in Drupal 8

Having trouble finding the solution for this; for numerous reasons, we’re not utilizing the Search Pages API module on our current site build, and we’re looking for a simple solution to add images from our content types into the search results pages. It seems it should be a simple process, but we can’t find any info on how to get this accomplished.

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Source: https://www.drupal.org/taxonomy/term/22/feed