add rtl mode

src/file/paragraph/run/run.ts

@@ -1,7 +1,7 @@
 // http://officeopenxml.com/WPtext.php
 import { Break } from "./break";
 import { Caps, SmallCaps } from "./caps";
-import { Bold, Color, DoubleStrike, Italics, Size, Strike } from "./formatting";
+import { Bold, Color, DoubleStrike, Italics, Size, RTL, Strike } from "./formatting";
 import { Begin, End, Page, Separate } from "./page-number";
 import { RunProperties } from "./properties";
 import { RunFonts } from "./run-fonts";
@@ -46,6 +46,11 @@ export class Run extends XmlComponent {
         return this;
     }
 
+    public rtl(): Run {
+        this.properties.push(new RTL());
+        return this;
+    }
+
     public break(): Run {
         this.root.splice(1, 0, new Break());
         return this;