chore(site): update copyright year to 2026 (#323)

kt3k · web-flow · commit a37db49f1b11 · 2026-08-12T11:35:36.000+09:00
diff --git a/source/layout/layout.njk b/source/layout/layout.njk
@@ -32,7 +32,7 @@
         <nav>
           <ul>
             <li>
-              <small>© 2016 {{ orgName }}</small>
+              <small>© 2026 {{ orgName }}</small>
             </li>
           </ul>
           <ul>
