adding a link to the pictures page for gradshow 2023 making bubblic

index.html

@@ -116,6 +116,7 @@
 <div class="ext">
 <p><a href="https://media.xpub.nl/2023/" property="dc:link" target="_blank" class="ext" style="display: none">📻 Collective Publication</a></p>
 <p><a href="https://media.xpub.nl/2023/" property="dc:link" target="_blank" class="ext" style="display: none">📻 Video documentation</a></p>
+<p><a href="https://media.xpub.nl/2023/gradshow/photos/" property="dc:link" target="_blank" class="ext">📻 Pictures</a></p>
 </div>
 </div>
 <div class="col6">