- Updated product links in rma.php and rma_manage.php to include icons for better UX.
- Improved German, Spanish, Dutch, Polish, Portuguese, and US translations with new phrases for software licenses and user information prompts.
- Refactored CSS to remove redundant styles and added new styles for a registration modal, enhancing the overall UI.
- Introduced JavaScript variables for user information prompts in softwaretool.php for better localization support.
- Added invoice generation logic using DomPDF.
- Integrated invoice data retrieval from the API.
- Implemented language determination for invoices based on customer data.
- Added options to email invoices to customers and admin.
- Included HTML output option for direct viewing in the browser.
- Ensured proper redirection and error handling throughout the process.
