Add table column and vertical merging

demo/demo43.ts

@@ -0,0 +1,17 @@
+// Add image to table cell
+// Import from 'docx' rather than '../build' if you install from npm
+import * as fs from "fs";
+import { Document, Packer, Paragraph } from "../build";
+
+const doc = new Document();
+
+const table = doc.createTable(4, 4);
+table.getCell(2, 2).addParagraph(new Paragraph("Hello"));
+table.getColumn(3).mergeCells(1, 2);
+// table.getCell(3, 2).addParagraph(new Paragraph("Hello"));
+
+const packer = new Packer();
+
+packer.toBuffer(doc).then((buffer) => {
+    fs.writeFileSync("My Document.docx", buffer);
+});