feat: add a database pool and initialize table

src/routes/+page.server.ts

@@ -2,7 +2,7 @@ import { error } from '@sveltejs/kit';
 import type { PageServerLoad } from './$types';
 // import index from '$lib/index';
 import type { Content } from '$lib/article';
-import pool from '$lib/database';
+import { pool } from '$lib/server/database';
 
 let data: {
   recent: Content[],