fix: prepend home route to terminal navigation choices (#205) (#213)

Author: DarkSorcerer14

frontend/404.html

@@ -227,6 +227,8 @@
           <span class="cmd"> ls /valid-routes</span>
         </div>
         <div class="line" style="padding-left: 1.2rem">
+          <span class="highlight"><a href="/">home/</a></span>
+          &nbsp;&nbsp;
           <span class="highlight"><a href="/leaderboard">leaderboard/</a></span>
           &nbsp;&nbsp;
           <span class="highlight"