feat: add date schema and formatting to writing collection and update UI layout

content.config.ts

@@ -1,10 +1,15 @@
-import { defineContentConfig, defineCollection } from '@nuxt/content';
+import { defineContentConfig, defineCollection, z } from '@nuxt/content';
 
 export default defineContentConfig({
     collections: {
         writing: defineCollection({
             type: 'page',
             source: 'writing/**/*.md',
+            schema: z.object({
+                title: z.string(),
+                date: z.coerce.date(),
+                description: z.string(),
+            }),
         }),
     },
 });