Change docx folder to more appropriate "file" folder

src/file/drawing/inline/index.ts

@@ -0,0 +1,10 @@
+import { XmlComponent } from "../../xml-components";
+import { Graphic } from "./graphic";
+
+export class Inline extends XmlComponent {
+
+    constructor(referenceId: number) {
+        super("wp:inline");
+        this.root.push(new Graphic(referenceId));
+    }
+}