- 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.
- Implemented the software tool page with user interface for connecting devices.
- Added functionality to display connection status and software upgrade options.
- Included a help modal with step-by-step instructions for users.
- Integrated error handling and user permission checks.
- Enhanced user experience with dynamic content updates and visual feedback.
