Using a better demo naming system

demo/15-page-break-before.ts

@@ -0,0 +1,22 @@
+// Page break before example
+// 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();
+
+doc.addSection({
+    children: [
+        new Paragraph("Hello World"),
+        new Paragraph({
+            text: "Hello World on another page",
+            pageBreakBefore: true,
+        }),
+    ],
+});
+
+const packer = new Packer();
+
+packer.toBuffer(doc).then((buffer) => {
+    fs.writeFileSync("My Document.docx", buffer);
+});