Updates year in copyright footer

Signed-off-by: Bence Csati <bence.csati@axoflow.com>

Author: Robert Fekete

layouts/partials/footer.html

@@ -20,7 +20,7 @@
       </div>
       <div class="col-12 col-sm-4 text-center py-2 order-sm-2">
         <small class="text-white"><a class="text-white" href="https://www.linuxfoundation.org/trademark-usage/">Trademark Usage</a> | </small>
-        {{ with .Site.Params.copyright }}<small class="text-white">&copy; {{ now.Year}} {{ .}} {{ T "footer_all_rights_reserved" }}</small>{{ end }}
+        {{ with .Site.Params.copyright }}<small class="text-white">&copy; 2023-{{ now.Year}} {{ .}} {{ T "footer_all_rights_reserved" }}</small>{{ end }}
         {{ with .Site.Params.privacy_policy }}<small class="ml-1"><a href="{{ . }}" target="_blank" rel="noopener">{{ T "footer_privacy_policy" }}</a></small>{{ end }}
 	{{ if not .Site.Params.ui.footer_about_disable }}
 		{{ with .Site.GetPage "about" }}<p class="mt-2"><a href="{{ .RelPermalink }}">{{ .Title }}</a></p>{{ end }}