feat: remove html from news on the index page

_layouts/index.html

@@ -77,7 +77,7 @@ layout: default
         <span class="post-date">Published on: {{ post.date | date: '%B %d, %Y' }}</span>
 
         <div class="content">
-          {{ post.content | truncate: 220 }} <a href="{{ post.url | relative_url }}">(read more)</a>
+          {{ post.content | strip_html | normalize_whitespace | truncate: 220 }} <a href="{{ post.url | relative_url }}">(read more)</a>
         </div>
       </div>
       {% endfor %}