[Documentation:Developer] Update date in footer (Submitty#505)

Author: williamjallen

_layouts/default.html

@@ -77,7 +77,7 @@ <h3>{{ page.title }}</h3>
             <footer>
                 <div class="container">
                     <p style="text-align: center;font-size:smaller;">
-                        <a href="https://rcos.io/">A Rensselaer Center for Open-Source Project, 2014-2022.</a>
+                        <a href="https://rcos.io/">A Rensselaer Center for Open-Source Project, 2014-{{ 'now' | date: "%Y" }}.</a>
                     </p>
                 </div>
             </footer>