feat: add madeira blog post upgrade astro

src/content/config.ts

@@ -1,26 +0,0 @@
-import { defineCollection, z } from 'astro:content';
-
-const blogCollection = defineCollection({
-  schema: ({ image }) => z.object({
-    title: z.string(),
-    date: z.date(),
-    cover: image().refine((img) => img.width >= 720, {
-      message: "Cover image must be at least 720 pixels wide!",
-    }).optional(),
-    links: z.array(z.array(z.string())).optional(),
-    coverAlt: z.string().optional(),
-    toc: z.boolean().optional(),
-    description: z.string().optional(),
-    icon: z.string().optional(),
-    draft: z.boolean().optional(),
-    featured: z.boolean().optional(),
-    tags: z.array(z.string()).optional(),
-    _layout: z.enum(['normal', 'transparent']).optional(),
-  })
-});
-
-export const collections = {
-  'blog': blogCollection,
-  "projects": blogCollection,
-  "photos": blogCollection,
-};