Change docx folder to more appropriate "file" folder

src/file/paragraph/run/caps.ts

@@ -0,0 +1,15 @@
+import { XmlComponent } from "../../xml-components";
+
+export class SmallCaps extends XmlComponent {
+
+    constructor() {
+        super("w:smallCaps");
+    }
+}
+
+export class Caps extends XmlComponent {
+
+    constructor() {
+        super("w:caps");
+    }
+}