init multi-window implementation

src/Entity/Browser/Container/Tab/Page/Navbar/Go.php

@@ -0,0 +1,28 @@
+<?php
+
+declare(strict_types=1);
+
+namespace Yggverse\Yoda\Entity\Browser\Container\Tab\Page\Navbar;
+
+class Go extends \Yggverse\Yoda\Abstract\Entity\Browser\Container\Tab\Page\Navbar\Button
+{
+    protected string $_label = 'Go';
+
+    protected function _onCLick(
+        \GtkButton $entity
+    ): void
+    {
+        $this->navbar->page->update();
+    }
+
+    public function refresh(): void
+    {
+        $this->gtk->set_sensitive(
+            !empty(
+                trim(
+                    $this->navbar->request->gtk->get_text()
+                )
+            )
+        );
+    }
+}