Add a markdown viewer for .md files and live typed preview.

Render GitHub-flavored markdown in the browser with marked and sanitize HTML with DOMPurify.

Co-authored-by: Cursor <cursoragent@cursor.com>

packages/frontend/src/router/index.ts

@@ -54,6 +54,11 @@ const router = createRouter({
       name: 'photoshop-viewer',
       component: () => import('@/views/PhotoshopViewerView.vue'),
     },
+    {
+      path: '/viewer/markdown',
+      name: 'markdown-viewer',
+      component: () => import('@/views/MarkdownViewerView.vue'),
+    },
     {
       path: '/tools/scanner',
       name: 'tools-scanner',