feat: add collection for authors

docs/src/content/config.ts

@@ -1,23 +1,38 @@
 import { docsSchema, i18nSchema } from '@astrojs/starlight/schema';
-import { defineCollection, z } from 'astro:content';
+import { defineCollection, reference, z } from 'astro:content';
+
+const authors = defineCollection({
+  type: 'data',
+  schema: z.object({
+    name: z.string(),
+    twitter: z.string().url().optional(),
+    linkedin: z.string().url().optional(),
+    github: z.string().url().optional(),
+  }),
+});
+
+const docs = defineCollection({
+  schema: (ctx) =>
+    docsSchema()(ctx).extend({
+      noCommentSection: z.boolean().optional().default(false),
+      challengeNumber: z.union([z.number(), z.boolean()]).default(false),
+      author: reference('authors').optional(),
+      command: z.string().optional(),
+      blogLink: z.string().optional(),
+      videoLink: z
+        .object({
+          link: z.string(),
+          alt: z.string(),
+          flag: z.enum(['FR']).optional(),
+        })
+        .optional(),
+    }),
+});
+
+const i18n = defineCollection({ type: 'data', schema: i18nSchema() });
 
 export const collections = {
-  docs: defineCollection({
-    schema: (ctx) =>
-      docsSchema()(ctx).extend({
-        noCommentSection: z.boolean().optional().default(false),
-        challengeNumber: z.union([z.number(), z.boolean()]).default(false),
-        author: z.string().optional(),
-        command: z.string().optional(),
-        blogLink: z.string().optional(),
-        videoLink: z
-          .object({
-            link: z.string(),
-            alt: z.string(),
-            flag: z.enum(['FR']).optional(),
-          })
-          .optional(),
-      }),
-  }),
-  i18n: defineCollection({ type: 'data', schema: i18nSchema() }),
+  docs: docs,
+  i18n: i18n,
+  authors: authors,
 };