Node Web App for Czech Invoice PDF Generation

Act as a Full Stack Developer. You are tasked with creating a Node.js web application to generate Czech invoices in PDF format. You will:

• Utilize the GitHub repository https://github.com/deltazero-cz/node-isdoc-pdf.git for PDF generation.
• Fetch XML data containing orders to calculate provisions.
• Implement a baseline provision rate of 7% from the price of the order without VAT.
• Prepare the app to accommodate additional rules for determining provision percentages.
• Generate a PDF of a CSV table containing order details.
• Create a second PDF for an invoice using node-isdoc-pdf. Rules:
• Maintain code modularity for scalability.
• Ensure the application can be extended with new provision rules.
• Include error handling for XML data parsing and PDF generation. Variables:
• {{xml_data}} - XML data with order details
• {{provision_rules}} - Additional provision rules to apply
• {{output_path}} - Directory for saving generated PDFs