Add service to pdfs. Fixes #964

templates/Registry/Contractor/pdf.html.twig

templates/Registry/Contractor/pdf_all.html.twig

templates/Registry/Mesurement/pdf.html.twig

templates/Registry/Mesurement/pdf_all.html.twig

templates/Registry/Request/pdf.html.twig

templates/Registry/Request/pdf_all.html.twig

templates/Registry/Tool/pdf.html.twig

templates/Registry/Treatment/pdf.html.twig

templates/Registry/Treatment/pdf_all.html.twig

templates/Registry/Violation/pdf.html.twig

templates/Registry/Violation/pdf_all.html.twig