Released AIXF Backup Combo 2.3.7.a

# AIXF Backup Combo

## Overview
A flexible, **super admin–only** database backup tool for XenForo 2.3+
Choose between `mysqldump` (fast server-level export) or **PHP-based export** (shared-hosting–friendly).
Backups are stored in `/internal_data/aixf_backupcombo` and can be downloaded or deleted directly from the Admin CP.

## Features
- **Super admin–only access** for security.
- **One-click database backup** from the Admin CP.
- Backups saved in `/internal_data/aixf_backupcombo`.
- **Download** backups directly from the Admin CP.
- **Delete** backups directly from the Admin CP.
- Choose **mysqldump** or **PHP export** method.
- Configurable `mysqldump` path for custom server setups.

## 🖱 Usage
- Go to **Admin CP → Tools → Backup Combo**.
- Choose method and click **Run Backup**.
- Use **Download** or **Delete** to manage backups.

## Installation
1. **Upload Files**
- Upload the `src/addons/AIXF/BackupCombo` folder to your XenForo installation.
2. **Install in Admin CP**
- Go to **Admin CP → Add-ons → Install/Upgrade Add-ons**.
- Click **Install** for **AIXF Backup Combo**.

## 🗑 Uninstallation
1. In the **Admin CP**, go to **Add-ons** and click **Uninstall** next to **AIXF Backup Combo**.
2. (Optional) Remove `/internal_data/aixf_backupcombo`.
3. (Optional) Delete `/src/addons/AIXF/BackupCombo`.

## ⚠ Notes
- Only **super admins** can access this tool.
- `mysqldump` is faster for large databases, PHP export works where `mysqldump` isn’t available.
- Common `mysqldump` paths:
- **Windows/XAMPP:** `C:\xampp\mysql\bin\mysqldump.exe`
- **Linux:** `/usr/bin/mysqldump` or `/usr/local/bin/mysqldump`