Add a code block showing how to add a mod_rewrite block to the old Gallery2 install to redirect urls to Gallery 3.

modules/g2_import/views/admin_g2_import.html.php

@@ -26,6 +26,7 @@
         </li>
       </ul>
     </div>
+
     <?= $form ?>
 
     <? if (g2_import::is_initialized()): ?>
@@ -91,6 +92,21 @@
         </a>
       </p>
     </div>
+
+    <div>
+      <h2> <?= t("Migrating from Gallery 2") ?> </h2>
+      <p>
+        <?= t("Once your migration is complete, put this block at the top of your gallery2/.htaccess file and all Gallery 2 urls will be redirected to Gallery 3") ?>
+      </p>
+
+      <code>
+        &lt;IfModule mod_rewrite.c&gt;<br/>
+          RewriteEngine On<br/>
+          RewriteBase <?= g2_import::$g2_base_url ?><br/>
+          RewriteRule ^(.*)$ <?= url::site("g2/map?path=\$1") ?>   [QSA,L]<br/>
+        &lt;/IfModule&gt;<br/>
+      </code>
+    </div>
     <? endif ?>
   </div>
 </div>