fix(core): update

ts/classes.smartsign.ts

@@ -0,0 +1,22 @@
+import { SigningEnvelope } from './classes.envelope.js';
+import * as plugins from './smartsign.plugins.js';
+
+export class SmartSign {
+  public p12Cert: Buffer;
+  public smartpdfInstance: plugins.smartpdf.SmartPdf;
+  constructor(p12CertBuffer: Buffer) {
+    this.p12Cert = p12CertBuffer;
+  }
+
+  public async start() {
+    this.smartpdfInstance = new plugins.smartpdf.SmartPdf();
+    await this.smartpdfInstance.start();
+  }
+  public async stop() {
+    await this.smartpdfInstance.stop();
+  }
+
+  public async createEnvelopeFromPdf(pdfArg: plugins.smartpdf.IPdf) {
+    return new SigningEnvelope(this, pdfArg);
+  }
+}