Merge pull request #1649 from xom9ikk/increase-year

docs: update the year in footer

Author: kamilmysliwiec

src/app/homepage/footer/footer.component.html

@@ -27,7 +27,7 @@
   </div>
   <div class="credits">
     <p>
-      Copyright © 2017-2020 MIT by
+      Copyright © 2017-2021 MIT by
       <a
         href="https://kamilmysliwiec.com"
         target="_blank"