feat(xml): add XML tools for validation, beautification, and viewing

src/pages/tools/xml/xml-validator/meta.ts

@@ -0,0 +1,13 @@
+import { defineTool } from '@tools/defineTool';
+import { lazy } from 'react';
+
+export const tool = defineTool('xml', {
+  name: 'XML Validator',
+  path: 'xml-validator',
+  icon: 'mdi:check-decagram',
+  description:
+    'Validate XML files or strings to ensure they are well-formed and error-free.',
+  shortDescription: 'Validate XML for errors.',
+  keywords: ['xml', 'validate', 'check', 'syntax', 'error'],
+  component: lazy(() => import('./index'))
+});