Change docx folder to more appropriate "file" folder

src/file/styles/latent-styles/index.ts

@@ -0,0 +1,13 @@
+import { XmlComponent } from "../../docx/xml-components";
+import { LatentStyleException } from "./exceptions";
+
+export class LatentStyles extends XmlComponent {
+
+    constructor() {
+        super("w:latentStyles");
+    }
+
+    public push(latentException: LatentStyleException): void {
+        this.root.push(latentException);
+    }
+}