feat: added file header

Author: raideer

src/command/GenerateLayoutXmlCommand.ts

@@ -3,6 +3,7 @@ import { SimpleTemplateGeneratorCommand } from './SimpleTemplateGeneratorCommand
 import { TemplateWizardData } from 'wizard/SimpleTemplateWizard';
 import { WizardField, WizardValidationRule } from 'webview/types';
 import { WizardFieldBuilder } from 'webview/WizardFieldBuilder';
+import FileHeader from 'common/xml/FileHeader';
 
 export default class GenerateLayoutXmlCommand extends SimpleTemplateGeneratorCommand {
   constructor() {
@@ -21,11 +22,15 @@ export default class GenerateLayoutXmlCommand extends SimpleTemplateGeneratorCom
     ];
   }
 
+  getFileHeader(data: TemplateWizardData): string | undefined {
+    return FileHeader.getHeader(data.module);
+  }
+
   getWizardTitle(): string {
     return 'Layout XML File';
   }
 
-  getTemplatePath(data: TemplateWizardData): string {
+  getFilePath(data: TemplateWizardData): string {
     const [vendor, module] = data.module.split('_');
 
     if (data.area && data.area !== MagentoScope.Global) {