added xmlKeys to xmlcomponent

ts/docx/paragraph/border.ts

@@ -3,6 +3,10 @@ import {XmlComponent, Attributes} from "../xml-components";
 class Border implements XmlComponent {
     private bottom: Array<XmlComponent>;
 
+    xmlKeys = {
+        bottom: 'w:bottom'
+    }
+
     constructor() {
         this.bottom = new Array<XmlComponent>();
         this.bottom.push(new Attributes({
@@ -14,9 +18,13 @@ class Border implements XmlComponent {
     }
 }
 
-export class ThematicBreak {
+export class ThematicBreak implements XmlComponent {
     private pBdr: Array<XmlComponent>;
 
+    xmlKeys = {
+        pBdr: 'w:pBdr'
+    }
+    
     constructor() {
         this.pBdr = new Array<XmlComponent>();
         this.pBdr.push(new Border());

ts/docx/paragraph/index.ts

@@ -7,8 +7,12 @@ import {TabStop} from "../tab-stop";
 import {Style} from "./style";
 import {NumberProperties} from "./unordered-list";
 
-class Alignment {
+class Alignment implements XmlComponent {
     private jc: Array<XmlComponent>;
+    
+    xmlKeys = {
+        jc: 'w:jc'
+    }
 
     constructor(type: string) {
         this.jc = new Array<XmlComponent>();
@@ -18,9 +22,13 @@ class Alignment {
     }
 }
 
-export class Paragraph {
+export class Paragraph implements XmlComponent {
     private p: Array<XmlComponent>;
     private properties: ParagraphProperties;
+    
+    xmlKeys = {
+        p: 'w:p'
+    }
 
     constructor(text?: string) {
         this.p = new Array<XmlComponent>();

ts/docx/paragraph/page-break.ts

@@ -3,6 +3,11 @@ import {Run} from "../run";
 
 class Break implements XmlComponent {
     private br: Array<XmlComponent>;
+
+    xmlKeys = {
+        br: 'w:br'
+    }
+
     constructor() {
         this.br = new Array<XmlComponent>();
         this.br.push(new Attributes({

ts/docx/paragraph/properties.ts

@@ -2,6 +2,10 @@ import {XmlComponent, Attributes} from "../xml-components";
 
 export class ParagraphProperties implements XmlComponent {
     private pPr: Array<XmlComponent>;
+    
+    xmlKeys = {
+        pPr: 'w:rPr'
+    }
 
     constructor() {
         this.pPr = new Array<XmlComponent>();

ts/docx/paragraph/style.ts

@@ -2,6 +2,10 @@ import {XmlComponent, Attributes} from "../xml-components";
 
 export class Style implements XmlComponent {
     private pStyle: Array<XmlComponent>;
+    
+    xmlKeys = {
+        pStyle: 'w:pStyle'
+    }
 
     constructor(type: string) {
         this.pStyle = new Array<XmlComponent>();

ts/docx/paragraph/unordered-list.ts

@@ -4,6 +4,10 @@ import {Style} from "./style";
 export class NumberProperties implements XmlComponent {
     private numPr: Array<XmlComponent>;
 
+    xmlKeys = {
+        numPr: 'w:numPr'
+    }
+
     constructor() {
         this.numPr = new Array<XmlComponent>();
         this.numPr.push(new IndentLevel(0));
@@ -13,7 +17,11 @@ export class NumberProperties implements XmlComponent {
 
 export class IndentLevel implements XmlComponent {
     private ilvl: Array<XmlComponent>;
-    
+
+    xmlKeys = {
+        ilvl: 'w:ilvl'
+    }
+
     constructor(level: number) {
         this.ilvl = new Array<XmlComponent>();
         this.ilvl.push(new Attributes({
@@ -24,7 +32,11 @@ export class IndentLevel implements XmlComponent {
 
 export class NumberId implements XmlComponent {
     private ilvl: Array<XmlComponent>;
-    
+
+    xmlKeys = {
+        ilvl: 'w:ilvl'
+    }
+
     constructor(id: number) {
         this.ilvl = new Array<XmlComponent>();
         this.ilvl.push(new Attributes({