fixes to accomodate news post without image

templates/partials/postCard.html

@@ -12,11 +12,13 @@
 <div class="flex flex-col rounded-lg shadow-lg overflow-hidden">
   <div class="flex-1 border-b">
     <a href="{{ post.permalink }}" class="block">
+        {% if post.extra.imgPath %}
       {% set img_url = get_url(path='/' ~ post.relative_path | replace(from='_', to='-') | replace(from='index.md',
       to=post.extra.imgPath)) %}
       <div class="flex-shrink-0">
         <img class="h-48 w-full mx-auto object-cover" src={{img_url}} alt="{{post.title ~ ' Picture'}}" />
       </div>
+      {%endif%}
       <div class="flex-1 bg-white p-6 flex flex-col justify-between">
 
         <h3 class="mt-2 text-xl leading-6 font-medium text-gray-900 text-left not-italic">