Update mod.ts

Author: aka-sacci-ccr

blog/mod.ts

@@ -2,9 +2,16 @@ import manifest, { Manifest } from "./manifest.gen.ts";
 import { PreviewContainer } from "../utils/preview.tsx";
 import { type App, type FnContext } from "@deco/deco";
 export type State = {
+  /**
+   * @title Category Slug
+   * @description The slug of the Categories of the blogposts. Use :category
+   * @example /blog/:category
+   */
+  categorySlug?: string
   /**
    * @title Page Slug
    * @description The slug of the BlogPostPage to embed. Use :category and :slug.
+   * @example /blog/:category/:slug
    */
   pageSlug?: string;
 };