feat: add AI chat and summarize endpoints with database integration

- Implemented a new chat endpoint that utilizes Groq for chat completions based on news articles.
- Added a summarize endpoint that fetches news articles from the database and generates summaries using Groq.
- Introduced a new package "@vueuse/core" for improved reactivity.
- Created a comprehensive command UI component with various subcomponents for better user interaction.
- Developed a scraping module using Scrapy to fetch news articles from Google News.
- Added validation and sanitization for slug parameters in the fetch article endpoint.

components/ui/dialog/DialogHeader.vue

@@ -0,0 +1,16 @@
+<script setup lang="ts">
+import type { HTMLAttributes } from 'vue'
+import { cn } from '@/lib/utils'
+
+const props = defineProps<{
+  class?: HTMLAttributes['class']
+}>()
+</script>
+
+<template>
+  <div
+    :class="cn('flex flex-col gap-y-1.5 text-center sm:text-left', props.class)"
+  >
+    <slot />
+  </div>
+</template>