feat: add Nuxt.js stack support (#38)

- Add nuxtjs.csv with 58 Nuxt 3 guidelines (Composition API)
   - Categories: Routing, DataFetching, Lifecycle, Server, State, SEO,
   Middleware, ErrorHandling, Link, AutoImports, Plugins, Environment,
   Performance
   - Update core.py to include nuxtjs stack

.shared/ui-ux-pro-max/scripts/core.py

@@ -62,6 +62,7 @@ STACK_CONFIG = {
     "react": {"file": "stacks/react.csv"},
     "nextjs": {"file": "stacks/nextjs.csv"},
     "vue": {"file": "stacks/vue.csv"},
+    "nuxtjs": {"file": "stacks/nuxtjs.csv"},
     "nuxt-ui": {"file": "stacks/nuxt-ui.csv"},
     "svelte": {"file": "stacks/svelte.csv"},
     "swiftui": {"file": "stacks/swiftui.csv"},