feat(#245): in results list, show where an image/pdf is embedded

* Add an index of embeds for reference in results

* Notes embedding images are now shown in results

* Updated dependencies

* Correctly referencing all embeds

* Updated docs

* Basic embedded feature ok

assets/styles.css

@@ -5,7 +5,7 @@
   white-space: normal;
   display: flex;
   flex-direction: row;
-  justify-content: space-between;
+  /* justify-content: space-between; */
   flex-wrap: nowrap;
 }
 
@@ -59,6 +59,11 @@
   margin-inline-start: 0.5em;
 }
 
+.omnisearch-result__embed {
+  margin-left: 1em;
+}
+
+
 .omnisearch-result__image-container {
   flex-basis: 20%;
   text-align: end;