[XB] User Upgrade Invoices 1.0.0

Generate and manage invoices for user upgrade purchases.

This add-on provides a dedicated invoice system for XenForo user upgrades, allowing users to view, customize, and export invoices.

Features:​

• Upgrade Invoices: View invoices for active and expired user upgrades.
• PDF Export: Export invoices as PDF files.
• Customer Information: Optionally display username, email address, location, and user custom fields on invoices.
• Custom Logo Support: Upload and display your own company logo.
• Company Details: Configure company information displayed on invoices.
• Custom Invoice Footer: Add custom footer text to invoices.
• Permission Control: Restrict who can view invoices.

---

Useful for:​

• Paid Communities: Provide professional invoices for upgrade purchases.
• Record Keeping: Give users access to purchase documentation.
• Business Use: Display company branding and billing details.
• Accounting: Export invoices for reporting and bookkeeping.

---

Screenshots:​