chore: add project configuration and dependencies

- Add Nuxt 3 root component
- Add Nuxt configuration
- Add TypeScript configuration
- Add project dependencies and lockfile
- Add project documentation
- Add gitignore rules
- Add favicon

Co-authored-by: Copilot <[email protected]>

nuxt.config.ts

@@ -0,0 +1,35 @@
+export default defineNuxtConfig({
+  compatibilityDate: '2025-07-15',
+  devtools: { enabled: true },
+  modules: [
+    '@nuxt/icon',
+    '@nuxt/image',
+    '@nuxt/fonts',
+    '@nuxtjs/sitemap',
+    '@nuxtjs/robots'
+  ],
+  
+  runtimeConfig: {
+    public: {
+      url: 'http://localhost:3000',
+      api: 'http://localhost:5555',
+    }
+  },
+
+  site: {
+    url: 'http://localhost:3000',
+    name: 'Visione - Un\'occhio per la sicurezza del cittadino.',
+  },
+  
+  css: [
+    '@/assets/css/style.css',
+    'bootstrap-italia/dist/css/bootstrap-italia.min.css'
+  ],
+
+  fonts: {
+    families: [
+      { name: 'Roboto Mono', provider: 'google' },
+      { name: 'Titillium Web', provider: 'google' }
+    ]
+  }
+})