Change docx folder to more appropriate "file" folder

src/file/styles/defaults/paragraph-properties.ts

@@ -0,0 +1,10 @@
+import { ParagraphProperties } from "../../paragraph/properties";
+import { XmlComponent } from "../../xml-components";
+
+export class ParagraphPropertiesDefaults extends XmlComponent {
+
+    constructor() {
+        super("w:pPrDefault");
+        this.root.push(new ParagraphProperties());
+    }
+}