added tab stops

ts/docx/paragraph/tab-stop.ts

@@ -0,0 +1,32 @@
+import {XmlComponent, Attributes} from "../xml-components";
+
+class TabStop extends XmlComponent {
+
+    constructor(tab: Tab) {
+        super("w:tabs");
+        this.root.push(tab);
+    }
+}
+
+class Tab extends XmlComponent {
+
+    constructor(value: string, position: any) {
+        super("w:tab");
+        this.root.push(new Attributes({
+            val: value,
+            pos: position
+        }));
+    }
+}
+
+export class MaxRightTabStop extends TabStop {
+    constructor() {
+        super(new Tab("right", "RIGHT_MARGIN"));
+    }
+}
+
+export class LeftTabStop extends TabStop {
+    constructor(position: number) {
+        super(new Tab("left", position));
+    }
+}