Add imagesLoaded.js

Author: alshedivat

_includes/hemline.html

@@ -18,8 +18,9 @@
 {% endif %}
 
 {% if site.enable_mansory %}
-<!-- Load Mansory -->
+<!-- Load Mansory & imagesLoaded -->
 <script src="https://cdnjs.cloudflare.com/ajax/libs/masonry/{{ site.mansory.version }}/masonry.pkgd.min.js" integrity="{{ site.masonry.integrity }}" crossorigin="anonymous"></script>
+<script src="https://unpkg.com/imagesloaded@4/imagesloaded.pkgd.min.js"></script>
 
 <!-- Project Cards Layout -->
 <script type="text/javascript">