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.

server/api/fetcharticle/[slug].ts

@@ -0,0 +1,28 @@
+import sql from "~/server/components/postgres";
+export default defineEventHandler(async (event) => {
+    const slug = getRouterParam(event, 'slug');
+    
+    // Validate and sanitize the slug
+    if (!slug || typeof slug !== 'string') {
+        throw createError({
+            statusCode: 400,
+            message: 'Invalid slug parameter'
+        });
+    }
+    const cleanSlug = slug.replace(/[^a-zA-Z0-9-_]/g, '');
+
+    try {
+        const result = await sql`
+         select * from articles
+         where slug = ${cleanSlug}
+        `
+        
+        return result.rows[0] || null;
+    } catch (error) {
+        console.error('Database error:', error);
+        throw createError({
+            statusCode: 500,
+            message: 'Internal server error'
+        });
+    }
+});