added support for cover images in lists

exampleSite/content/examples/blowfish-template/_index.md

@@ -0,0 +1,8 @@
+---
+title: "Blowfish Template"
+date: 2022-11-06
+externalUrl: "https://nunocoracao.github.io/blowfish_template/"
+summary: "A simple template project to get you started. Blowfish theme already installed with a simple github pages action configured."
+---
+
+A simple template project to get you started. Blowfish theme already installed with a simple github pages action configured.