feat: initialization migration to Nuxt + Backend

This commit initializes both the Nuxt frontend and the Rust backend of
the new version of phundrak.com

frontend/nuxt.config.ts

@@ -0,0 +1,44 @@
+// https://nuxt.com/docs/api/configuration/nuxt-config
+export default defineNuxtConfig({
+  compatibilityDate: '2025-07-15',
+  devtools: {
+    enabled: true,
+    vueDevTools: true,
+    telemetry: false,
+  },
+
+  modules: [
+    '@nuxt/content',
+    '@nuxt/eslint',
+    '@nuxt/image',
+    '@nuxt/test-utils',
+    '@nuxt/ui',
+    '@vueuse/nuxt',
+    '@nuxtjs/i18n',
+    '@nuxtjs/turnstile',
+  ],
+
+  content: {
+    database: {
+      type: 'sqlite',
+      filename: '.data/content/contents.sqlite',
+    },
+  },
+  i18n: {
+    locales: [
+      { code: 'en', name: 'English', language: 'en-UK' },
+      { code: 'fr', name: 'Français', language: 'fr-FR' },
+      { code: 'lfn', name: 'Lingua Franca Nova', language: 'lfn' },
+    ],
+    strategy: 'prefix_except_default',
+    defaultLocale: 'en',
+  },
+  turnstile: {
+    siteKey: '', // Overridden by NUXT_PUBLIC_TURNSTILE_SITE_KEY
+  },
+  runtimeConfig: {
+    turnstile: {
+      secretKey: '', // Overriden by NUXT_TURNSTILE_SECRET_KEY
+    },
+  },
+});