Added Copyright Year Back (Part 2)

Author: DavidKrassnig

_includes/footer.html

@@ -18,7 +18,7 @@
     {%- else -%}
     <footer class="sticky-bottom mt-5">
       <div class="container">
-        &copy; Copyright {{ name_components | split:' ' | join:' ' }}. {% t main.footer_text %}
+        &copy; Copyright {{ site.time | date: '%Y' }} {{ name_components | split:' ' | join:' ' }}. {% t main.footer_text %}
         {%- if site.impressum_path -%}
         <a href="{{ site.url }}{{ site.baseurl }}{{ site.impressum_path }}">Impressum</a>.
         {%- endif -%}