se cambio agrego autos, comida, ropa y se modifico header

app/autos.php

@@ -0,0 +1,8 @@
+<?php include_once('inc/header.php');?>
+    <?php
+        define("MESSAGE","RUUUUUMMMMMMM🚘🚜!!!");
+
+
+        echo MESSAGE;
+    ?>
+<?php include_once('inc/footer.php');?>

app/comida.php

@@ -0,0 +1,8 @@
+<?php include_once('inc/header.php');?>
+    <?php
+        define("MESSAGE","Yumiii!!! DELICIOUS!!!👌🍔🍖😋");
+
+
+        echo MESSAGE;
+    ?>
+<?php include_once('inc/footer.php');?>

app/inc/header.php

@@ -20,13 +20,22 @@
         </li>
         <li class="nav-item">
           <a class="nav-link" href="/variables.php">Variables</a>
+          </li>
+        <li class="nav-item">
+          <a class="nav-link" href="/autos.php">Autos</a>
         </li>
         <li class="nav-item">
           <a class="nav-link" href="/constantes.php">Constantes</a>
+          </li>
+        <li class="nav-item">
+          <a class="nav-link" href="/comida.php">Comida</a>
         </li>
         <li class="nav-item">
           <a class="nav-link" href="/texto.php">Gatitos</a>
           </li>
+        <li class="nav-item">
+          <a class="nav-link" href="/ropa.php">Ropa</a>
+          </li>
           
       </ul>
       <form class="d-flex" role="search">