✨Added Koenig gallery card support (#475)

no issue

- Update CSS and JS for new gallery card
- Updates CSS to support new gallery card
- Adds JS to support grid layout for gallery view
- Fix gallery breakout size
- Refining styles for gallery card

default.hbs

@@ -55,6 +55,18 @@
     </div>
     {{/if}}
 
+    <script>
+        var images = document.querySelectorAll('.kg-gallery-image img');
+        images.forEach(function (image) {
+            var container = image.closest('.kg-gallery-image');
+            var width = image.attributes.width.value;
+            var height = image.attributes.height.value;
+            var ratio = width / height;
+            container.style.flex = ratio + ' 1 0%';
+        })
+    </script>
+
+
     {{!-- jQuery + Fitvids, which makes all video embeds responsive --}}
     <script
         src="https://code.jquery.com/jquery-3.2.1.min.js"