fix: add tags

_includes/post_header.html

@@ -7,6 +7,9 @@ image:
   type: 'hash'
 content:
   type: 'string'
+tags:
+  type: 'array'
+  default: []
 ---
 
 
@@ -17,6 +20,9 @@ content:
   <small class="fst-italic">
     {{ words | divided_by: 180.0 | round | at_least: 1 }} min read
   </small>  
+  {% for tag in tags %}
+    <span class="card-link bg-body-color rounded-3 px-2 py-1 text-white">{{- tag -}}</span>
+  {% endfor %} 
   {% render 'sutty/picture.html', 
     image:,
     img_class: 'w-100 rounded-3'