Make copyright notice year updatable on each rebuild

_config.yml

@@ -238,7 +238,9 @@ tiktok_username: the_trash_scientist
 
 # Footer
 footer_left: "Website template Carte Noire made with <i class=\"fa fa-heart\"></i> by <a href=\"https://twitter.com/_JacobTomlinson\">Jacob Tomlinson</a>—Licensed under <a href=\"https://raw.githubusercontent.com/jacobtomlinson/carte-noire/gh-pages/LICENSE\">GPL v3</a>."
-footer_right: "<i class=\"fas fa-graduation-cap\"></i> <a href=\"https://doi.org/10.31222/osf.io/y2nrb\">Methods</a> | &lt;/&gt; on <a href=\"https://github.com/drzhelnov/zheln.github.io\">GitHub</a> &nbsp;<i class=\"fa fa-github-alt\"></i><br />&copy; <a href=\"https://zheln.com\">Zheln</a>, 2020&ndash;2023 | <i class=\"far fa-heart\"></i> <a href=\"https://github.com/sponsors/drzhelnov\">Support</a>"
+footer_right:
+  pre_copy: "<i class=\"fas fa-graduation-cap\"></i> <a href=\"https://doi.org/10.31222/osf.io/y2nrb\">Methods</a> | &lt;/&gt; on <a href=\"https://github.com/drzhelnov/zheln.github.io\">GitHub</a> &nbsp;<i class=\"fa fa-github-alt\"></i><br />"
+  post_copy: " | <i class=\"far fa-heart\"></i> <a href=\"https://github.com/sponsors/drzhelnov\">Support</a>"
 
 # Build settings
 markdown: kramdown

_includes/footer.html

@@ -3,7 +3,7 @@
     {{ site.footer_left }}
   </div>
   <div class="col-md-6" id="footer_right">
-    {{ site.footer_right }}
+    {{ site.footer_right.pre_copy }}&copy; <a href="{{ site.url }}">{{ site.title }}</a>, 2020&ndash;{{ site.time | date: '%y' }}{{ site.footer_right.post_copy }}
   </div>
 </div>