Centralize database configuration for _website folder

Co-authored-by: iaretechnician <2749183+iaretechnician@users.noreply.github.com>

_website/includes/README.md

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+# Website Includes Directory
+
+This directory contains configuration and shared files for the standalone _website folder.
+
+## config.inc.php
+
+Central database configuration file for the website. This file contains the database connection settings that are used by all website PHP files through the `db.php` file.
+
+**Important:** The values in this file should match the panel's database configuration in `/includes/config.inc.php` to ensure the website can access the same database as the panel.
+
+### Configuration Variables
+
+- `$db_host` - Database server hostname
+- `$db_user` - Database username
+- `$db_pass` - Database password
+- `$db_name` - Database name
+- `$table_prefix` - Table prefix (default: "ogp_")
+- `$db_type` - Database type (default: "mysql")
+
+### Usage
+
+The website files include `db.php`, which in turn loads this configuration file:
+
+```php
+require_once('db.php');  // db.php loads includes/config.inc.php
+```
+
+This centralizes database credentials in one place, making the website easier to configure and maintain as a standalone site.