- fixed error partner page draft redirection with post id

- fixed error all logged in user could see partner post in draft

plugins/custer/admin_menu.html

@@ -0,0 +1 @@
+<h1>heloooo</h1>

plugins/custer/admin_menu.php

@@ -17,7 +17,9 @@ if (!defined('ABSPATH')) {
 *
 */
 function custer_plugin_content() {
-	echo "<p>hello</p>";
+	ob_start();
+		include_once(plugin_dir_path(__FILE__) . '/admin_menu.html');
+	echo ob_get_clean();
 }