feat: support leaf bundles for blog posts, refactor header images

config.toml

@@ -75,3 +75,9 @@ style = "emacs"
 [privacy.youtube]
   disable = false
   privacyEnhanced = true
+
+# Modules
+[[module.mounts]]
+  # Make static images available as image assets by default
+  source = "static/img/"
+  target = "assets/images/"