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

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

@@ -0,0 +1,18 @@
+"use strict";
+
+Object.defineProperty(exports, "__esModule", {
+  value: true
+});
+exports.default = void 0;
+
+var _getIndexFromRef = _interopRequireDefault(require("./getIndexFromRef"));
+
+function _interopRequireDefault(obj) { return obj && obj.__esModule ? obj : { default: obj }; }
+
+const createBufferRootWithAcroform = (pdf, info, form) => {
+  const rootIndex = (0, _getIndexFromRef.default)(info.xref, info.rootRef);
+  return Buffer.concat([Buffer.from(`${rootIndex} 0 obj\n`), Buffer.from('<<\n'), Buffer.from(`${info.root}\n`), Buffer.from(`/AcroForm ${form}`), Buffer.from('\n>>\nendobj\n')]);
+};
+
+var _default = createBufferRootWithAcroform;
+exports.default = _default;