Using a better demo naming system

demo/14-page-numbers.ts

@@ -0,0 +1,39 @@
+// Page numbers
+// Import from 'docx' rather than '../build' if you install from npm
+import * as fs from "fs";
+import { AlignmentType, Document, Header, Packer, Paragraph, TextRun } from "../build";
+
+const doc = new Document();
+
+doc.addSection({
+    headers: {
+        default: new Header({
+            children: [
+                new Paragraph({
+                    alignment: AlignmentType.RIGHT,
+                    children: [new TextRun("My Title "), new TextRun("Page ").pageNumber()],
+                }),
+            ],
+        }),
+        first: new Header({
+            children: [
+                new Paragraph({
+                    alignment: AlignmentType.RIGHT,
+                    children: [new TextRun("First Page Header "), new TextRun("Page ").pageNumber()],
+                }),
+            ],
+        }),
+    },
+    children: [
+        new Paragraph({
+            text: "First Page",
+        }).pageBreak(),
+        new Paragraph("Second Page"),
+    ],
+});
+
+const packer = new Packer();
+
+packer.toBuffer(doc).then((buffer) => {
+    fs.writeFileSync("My Document.docx", buffer);
+});