Change docx folder to more appropriate "file" folder

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

@@ -0,0 +1,24 @@
+import { Size } from "../../paragraph/run/formatting";
+import { RunProperties } from "../../paragraph/run/properties";
+import { RunFonts } from "../../paragraph/run/run-fonts";
+import { XmlComponent } from "../../xml-components";
+
+export class RunPropertiesDefaults extends XmlComponent {
+    private properties: RunProperties;
+
+    constructor() {
+        super("w:rPrDefault");
+        this.properties = new RunProperties();
+        this.root.push(this.properties);
+    }
+
+    public size(size: number): RunPropertiesDefaults {
+        this.properties.push(new Size(size));
+        return this;
+    }
+
+    public font(fontName: string): RunPropertiesDefaults {
+        this.properties.push(new RunFonts(fontName));
+        return this;
+    }
+}