feat(translation): Add multi-language support for document translations.

ts_web/elements/pageheader.ts

@@ -7,8 +7,10 @@ import {
   css,
   cssManager,
   unsafeCSS,
+  domtools
 } from '@design.estate/dees-element';
-import * as domtools from '@design.estate/dees-domtools';
+
+import * as interfaces from '../../ts/interfaces/index.js';
 
 import * as shared from '../../ts/shared/index.js';
 import * as tsclass from '@tsclass/tsclass';
@@ -30,6 +32,12 @@ export class DePageHeader extends DeesElement {
   })
   public letterData: tsclass.business.ILetter = null;
 
+  @property({
+    type: Object,
+    reflect: true,
+  })
+  documentSettings: interfaces.IDocumentSettings;
+
   @property({
     type: Number,
   })