added load time to HTML template

templates/base.html

@@ -70,6 +70,9 @@
 <!-- <footer>Version: {{getAppVersion}} | made with golang and ♥️  {{ block "footer" . }}{{ end }}</footer> -->
 <footer>
     <div class="footer-container">
+        <div class="footer-item">
+            <span>Ladezeit: {{dt .StartTime}}</span> 
+        </div>
         <div class="footer-item">
             Passwörter generiert: <span id="global-counter">{{getPassCount}}</span>
         </div>