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: - ${xmlData} - XML data with order details - ${provisionRules} - Additional provision rules to apply - ${outputPath} - Directory for saving generated PDFs