refactor(frontend): migrate from Vite to Nuxt SPA

Replace Vite and Vue Router with Nuxt framework
Update Docker, build scripts, and env vars for Nuxt generate

frontend/types/page-meta.d.ts

@@ -0,0 +1,14 @@
+import type { RouteSeoConfig } from '../src/seo';
+
+declare module '#app' {
+  interface PageMeta {
+    editorModal?: boolean;
+    requiredAnyPermission?: string[];
+    requiredPermission?: string;
+    requiresAuth?: boolean;
+    requiresVerified?: boolean;
+    seo?: RouteSeoConfig;
+  }
+}
+
+export {};