feat: custom author avatar support

src/data/authors._schema.ts

@@ -0,0 +1,13 @@
+import {z} from "astro:content";
+import {siteConfig} from "../config.ts";
+
+export const authors = ({ image }) => z.object({
+    name: z.string().default(siteConfig.defaultAuthor.name),
+    email: z.string().email().default(siteConfig.defaultAuthor.email),
+    avatar: image().optional(),
+    mcplayerid: z.string().optional(),
+    social: z.object({
+        twitter: z.string().optional(),
+        fediverse: z.string().optional(),
+    }).optional(),
+});