added JavaScript for removing random images

web/app/static/js/main.js

   RandomSpan.style.display = "inline-block";
 }
 
+function removeRandomImage() {
+  var elts = document.getElementsByClassName("img-fluid");
+  var RandomImg = elts[Math.floor(Math.random() * elts.length)];
+  RandomImg.remove();
+}
+
 // code adapted from w3collective
 function readingTime(text) {
   const wpm = 200;

web/app/templates/images.html

 
   <div class="action">
     <button onClick="refresh(this)" type="button" value="Refresh" title="new iteration">↻</button>
-    <button onclick="" title="add one">+</button>
-    <button onclick="" title="remove">-</button>
+    <!--<button onclick="" title="add one">+</button>-->
+    <button onclick="removeRandomImage()" title="remove">-</button>
   </div>
 
   <a href="{{ url_for('main.index') }}" class="h1 text-left contrast" style="color: var(--color-lightyellow) !important;"> ⇽ </a>