guide pages (why was that so easy wtf)

packages/website/src/content/config.ts

@@ -0,0 +1,10 @@
+import { defineCollection, z } from "astro:content"
+
+export const collections = {
+  guides: defineCollection({
+    schema: z.object({
+      title: z.string(),
+      description: z.string(),
+    }),
+  }),
+}