fix: add jsdoc comments

src/models/ReportData.ts

@@ -1,9 +1,25 @@
 import { type Row } from './Row';
 
+/**
+ * @class ReportData - Represents the data for a report.
+ */
 export class ReportData {
+  /**
+   * @property {string[]} columns - The columns in the report.
+   */
   public columns: string[];
+
+  /**
+   * @property {Row[]} rows - The rows in the report.
+   */
   public rows: Row[];
 
+  /**
+   * @constructor - Creates a new instance of ReportData.
+   * @param {string[]} columns - The columns in the report.
+   * @param {Row[]} rows - The rows in the report.
+   * @returns {ReportData} - A new instance of ReportData.
+   */
   constructor(columns: string[], rows: Row[]) {
     this.columns = columns;
     this.rows = rows;