Change docx folder to more appropriate "file" folder

src/file/paragraph/formatting/indent.ts

@@ -0,0 +1,28 @@
+// http://officeopenxml.com/WPindentation.php
+import { XmlAttributeComponent, XmlComponent } from "../../xml-components";
+
+interface IIndentAttributesProperties {
+    left?: number;
+    hanging?: number;
+    firstLine?: number;
+    start?: number;
+    end?: number;
+}
+
+class IndentAttributes extends XmlAttributeComponent<IIndentAttributesProperties> {
+    protected xmlKeys = {
+        left: "w:left",
+        hanging: "w:hanging",
+        firstLine: "w:firstLine",
+        start: "w:start",
+        end: "w:end",
+    };
+}
+
+export class Indent extends XmlComponent {
+
+    constructor(attrs: object) {
+        super("w:ind");
+        this.root.push(new IndentAttributes(attrs));
+    }
+}