feat: add summary field in articles

src/content/posts/_schemas.ts

@@ -1,8 +1,10 @@
 import { z, reference } from 'astro:content';
 
+// @ts-ignore
 export const posts = ({ image }) => z.object({
   title: z.string(),
   description: z.string(),
+  summary: z.string().optional(),
   pubDate: z.coerce.date(),
   updatedDate: z.coerce.date().optional(),
   categories: z.array(z.string()).default(['uncategorized']),

src/content/posts/minimalism/index.md

@@ -1,6 +1,7 @@
 ---
 title: 'The Art of Minimalism'
 description: 'Thoughts on minimalism in design and code'
+summary: 'Exploring the principles of minimalism and its application in design and coding practices.'
 pubDate: '2025-06-05'
 author: 'Wheatley'
 tags: