Add SEO metadata and security headers

src/types/router.d.ts

@@ -0,0 +1,10 @@
+import type { RouteLocationNormalizedLoaded } from 'vue-router'
+
+declare module 'vue-router' {
+  interface RouteMeta {
+    title?: string | ((route: RouteLocationNormalizedLoaded) => string)
+    description?: string | ((route: RouteLocationNormalizedLoaded) => string)
+    canonicalPath?: string
+    noindex?: boolean
+  }
+}