🚚 ➕ add node-signpdf copy to signing packgage until npm includes fix

packages/signing/node-signpdf/dist/helpers/plainAddPlaceholder/getPagesDictionaryRef.js

@@ -0,0 +1,24 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = getPagesDictionaryRef;
+
+var _SignPdfError = _interopRequireDefault(require("../../SignPdfError"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+/**
+ * @param {Object} info As extracted from readRef()
+ */
+function getPagesDictionaryRef(info) {
+  const pagesRefRegex = /\/Pages\s+(\d+\s+\d+\s+R)/g;
+  const match = pagesRefRegex.exec(info.root);
+
+  if (match === null) {
+    throw new _SignPdfError.default('Failed to find the pages descriptor. This is probably a problem in node-signpdf.', _SignPdfError.default.TYPE_PARSE);
+  }
+
+  return match[1];
+}