docs: editing and general fixes of medusa's learning resources (#7261)

* docs: editing and general fixes of medusa's learning resources

* fix build script

* update ui dependency

* fix build

* adjust next.js steps

www/apps/resources/config/index.ts

@@ -3,7 +3,7 @@ import { mobileSidebarItemsV2 } from "docs-ui"
 import { generatedSidebar } from "../generated/sidebar.mjs"
 
 export const config: DocsConfig = {
-  titleSuffix: "Medusa Resources",
+  titleSuffix: "Medusa Learning Resources",
   baseUrl: process.env.NEXT_PUBLIC_BASE_URL || "http://localhost:3000",
   basePath: process.env.NEXT_PUBLIC_BASE_PATH,
   sidebar: {