refactor: add encrypted pdf error event

apps/OpenSignServer/cloud/parsefunction/encryptedPdf.js

@@ -0,0 +1,14 @@
+import { PostHog } from 'posthog-node';
+const ph_project_api_key = process.env.PH_PROJECT_API_KEY;
+const client = new PostHog(ph_project_api_key);
+export default async function encryptedpdf(request) {
+  const email = request.params.email;
+  if (client) {
+    client?.capture({
+      distinctId: email,
+      event: 'encrypted_pdf_error',
+      properties: { response_code: 200 },
+    });
+  }
+  return { message: 'success' };
+}