feat: show publications of dataset

.gitignore

@@ -2,4 +2,5 @@ node_modules
 dist
 package-lock.json
 src/res/raw
-src/plugin_examples/*/
\ No newline at end of file
+src/plugin_examples/*/
+deploy

src/ui/fileviewer/fileviewer.template.html

@@ -8,11 +8,15 @@
 </kg-entry-viewer>
 
 <!-- citation -->
-<citations-component 
-  citationContainer
-  *ngIf = "searchResultFile && !searchResultFile.kgID"
-  [properties] = "searchResultFile.datasetProperties">
-</citations-component>
+<div style="margin:1em" *ngIf="searchResultFile && !searchResultFile.kgID && searchResultFile.properties && searchResultFile.properties.publications && searchResultFile.properties.publications.length > 0">
+  <h5>
+    Citations for this dataset:
+  </h5>
+  <citations-component 
+    citationContainer
+    [properties] = "searchResultFile.properties">
+  </citations-component>
+</div>
 
 <!-- file viewer -->
 <div