docs(federation): 📝 Update SDK documentation

packages/sdk/schemas/collection.ts

@@ -0,0 +1,16 @@
+import { z } from "zod";
+import { url, u64 } from "./common.ts";
+
+export const CollectionSchema = z.strictObject({
+    author: url.nullable(),
+    first: url,
+    last: url,
+    total: u64,
+    next: url.nullable(),
+    previous: url.nullable(),
+    items: z.array(z.any()),
+});
+
+export const URICollectionSchema = CollectionSchema.extend({
+    items: z.array(url),
+});