feat: move articles link from 'blog/' to 'post/' paths

src/content/posts/_schemas.ts

@@ -0,0 +1,9 @@
+import { z } from 'astro:content';
+
+export const posts = z.object({
+  title: z.string(),
+  description: z.string(),
+  pubDate: z.coerce.date(),
+  updatedDate: z.coerce.date().optional(),
+  heroImage: z.string().optional()
+});