Create and optionally send a new invoice to a client. Use when the user wants to invoice someone, bill a client, or create a new Rechnung.
$npx -y skills add norman-finance/norman-mcp-server --skill create-invoiceInstalls into the current project.
Run `npx skills use "https://github.com/norman-finance/norman-mcp-server" --skill "norman-finance/norman-mcp-server/create-invoice"` and follow the generated skill instructions now. Read its complete output, redirecting it to a temporary file first if necessary. Resolve relative paths from the supporting-files directory it provides.
Use the skills in "https://github.com/norman-finance/norman-mcp-server" that are relevant to the current task. Run `npx skills add "https://github.com/norman-finance/norman-mcp-server"` and select the relevant skills, then follow their instructions.