message: Re-add alt attribute to thumbnails in content list pages
  This fixes a regression introduced in
diff: {{- partial "functions/imgURL" (dict "page" .Page "name" .Params.featured_image "command" "Resize" "options" "230x") }} 230w
  "
  sizes="(max-width: 320px) 280px, (max-width: 425px) 375px, (max-width: 768px) 684px, (max-width: 979px) 874px, 230px"
  - src="{{ (partial "functions/imgURL" (dict "page" .Page "name" .Params.featured_image)) }}">
  + src="{{ (partial "functions/imgURL" (dict "page" .Page "name" .Params.featured_image)) }}"
  + alt="{{ .Params.title }}">
  {{ else }}
  <img class="image" src="{{ .Params.featured_image_url }}" alt="{{ .Title }}">
  {{ end }}
  