feat: Add user edit modal and user management pages

- Implemented user edit modal in user_edit.html for editing user details.
- Updated sidebar.html to correctly reflect active states for Users and Settings.
- Created table-07.html for displaying user data in a structured format.
- Added settings.html for managing email content and configurations.
- Developed users.html for listing all users with functionality to add and edit users.

api/opfer/delete.php

@@ -17,7 +17,6 @@ $id = intval($_POST["id"]);
 $db = $api->getDB();
 
 $sql = "DELETE FROM opfer WHERE id = :id";
-
 $stmt = $db->prepare($sql);
 
 $sql_exec = $stmt->execute([':id' => $id]);