fix: resolve discrepancy in lqip between post and main page

Author: XerxesDGreat

_layouts/home.html

@@ -64,7 +64,12 @@
           {% assign lqip = null %}
 
           {% if post.image.lqip %}
-            {% capture lqip %}lqip="{{ post.image.lqip }}"{% endcapture %}
+            {% assign lqip_url = post.image.lqip %}
+            {% unless lqip_url contains '//' %}
+              {% assign lqip_url = post.media_subpath | append: '/' | append: lqip_url | replace: '//', '/' %}
+            {% endunless %}
+
+            {% capture lqip %}lqip="{{ lqip_url }}"{% endcapture %}
           {% endif %}
 
           <div class="col-md-5">