feat(contacts): add printable contact one-pager PDF endpoint

Author: pike00

backend/app/api/main.py

@@ -6,6 +6,7 @@
     api_keys,
     calendar,
     contact_fields,
+    contact_pdf,
     contacts,
     custom_fields,
     debts,
@@ -55,6 +56,7 @@
 api_router.include_router(media_recommendations.router)
 api_router.include_router(journal.router)
 api_router.include_router(import_export.router)
+api_router.include_router(contact_pdf.router)
 api_router.include_router(webhooks.router)
 api_router.include_router(activity_logs.router)
 api_router.include_router(calendar.router)