update admin page

admin/index.php

@@ -14,16 +14,25 @@
   <div>
     <div>
       <header>
+        <!-- The title begins here -->
+        <h1>Admin</h1>
+        <!-- The title begins here -->
         <!-- The sidebar naviagtion begins here -->
         <nav>
-          <?php 
+          <?php
           include 'navigation.php';
           ?>
+          <!--Login-->
+            <form action="signup.php" method="post">
+              <input type="text" name="uid" placeholder="Username"><br>
+              <input type="password" name="pwd" placeholder="Password"><br>
+              <button type="submit">Login</button>
+            </form>
+          <!--Login end-->
         </nav>
         <!-- The sidebar naviagtion ends here -->
       </header>
     </div>
   </div>
-  <p>Admin</p>
 </body>
 </html>