chore: add content collections configuration

src/content/config.ts

@@ -0,0 +1,19 @@
+import { z, defineCollection } from "astro:content";
+
+const blogCollection = defineCollection({
+  schema: z.object({
+    author: z.string(),
+    datetime: z.string(), // z.string().datetime() only available in Zod v3.20.2
+    title: z.string(),
+    slug: z.string().optional(),
+    featured: z.boolean(),
+    draft: z.boolean(),
+    tags: z.array(z.string()),
+    ogImage: z.string().optional(),
+    description: z.string(),
+  }),
+});
+
+export const collections = {
+  blog: blogCollection,
+};