docs: update introduction and homepage following Framework changes (#12211)

www/apps/book/app/learn/page.mdx

@@ -13,7 +13,7 @@ Medusa is a digital commerce platform with a built-in Framework for customizatio
 Medusa ships with three main tools:
 
 1. A suite of [commerce modules](!resources!/commerce-modules) with core commerce functionalities, such as tracking inventory, calculating cart totals, accepting payments, managing orders, and much more.
-2. A Framework for building custom functionalities specific to your business, product, or industry. This includes tools for introducing custom API endpoints, business logic, and data models; building workflows and automations; and integrating with third-party services.
+2. A [Framework](./fundamentals/framework/page.mdx) for building custom functionalities specific to your business, product, or industry. This includes tools for introducing custom API endpoints, business logic, and data models; building workflows and automations; and integrating with third-party services.
 3. A customizable admin dashboard for merchants to configure and operate their store.
 
 When you install Medusa, you get a fully fledged commerce platform with all the features you need to get off the ground. However, unlike other platforms, Medusa is built with customization in mind. You don't need to build hacky workarounds that are difficult to maintain and scale. Your efforts go into building features that brings your business's vision to life.
@@ -100,7 +100,7 @@ This documentation is split into the following sections:
         Product
       </Table.Cell>
       <Table.Cell>
-        Documentation for the [Commerce](!resources!/commerce-modules) and [Architectural](!resources!/architectural-modules) Modules. You can browse those to learn more about Medusa's commerce and architectural features, and find guides specific to each of these modules.
+        Documentation for the [Framework](./fundamentals/framework/page.mdx), [Commerce Modules](!resources!/commerce-modules), and [Architectural Modules](!resources!/architectural-modules). These sections include concepts, guides, and references for each of those products.
       </Table.Cell>
     </Table.Row>
     <Table.Row>

www/apps/book/components/Homepage/TopSection/index.tsx

@@ -1,5 +1,5 @@
 import clsx from "clsx"
-import { Card, IconHeadline, WindowPaintbrushIcon } from "docs-ui"
+import { Card, IconHeadline, Link, WindowPaintbrushIcon } from "docs-ui"
 import { Book } from "@medusajs/icons"
 import { basePathUrl } from "../../../utils/base-path-url"
 import HomepageCodeTabs from "../CodeTabs"
@@ -63,10 +63,17 @@ const HomepageTopSection = () => {
             customizations.
           </h2>
           <span className="text-small-plus text-medusa-fg-subtle">
-            Unlike other platforms, Medusa allows you to easily customize and
-            extend the behavior of your commerce platform to always fit your
-            business needs.
+            Unlike other platforms, the Medusa Framework allows you to easily
+            customize and extend the behavior of your commerce platform to
+            always fit your business needs.
           </span>
+          <Link
+            href={"/learn/fundamentals/framework"}
+            className="text-compact-small-plus"
+            withIcon
+          >
+            <span>Learn about the Framework</span>
+          </Link>
         </div>
       </div>
     </div>

www/apps/book/generated/edit-dates.mjs

@@ -2,7 +2,7 @@ export const generatedEditDates = {
   "app/learn/fundamentals/scheduled-jobs/page.mdx": "2024-12-09T10:51:40.570Z",
   "app/learn/fundamentals/workflows/page.mdx": "2024-12-09T14:45:17.837Z",
   "app/learn/deployment/page.mdx": "2025-03-11T14:53:25.540Z",
-  "app/learn/page.mdx": "2025-03-11T10:17:39.318Z",
+  "app/learn/page.mdx": "2025-04-17T07:45:47.162Z",
   "app/learn/fundamentals/modules/commerce-modules/page.mdx": "2024-12-09T10:46:29.339Z",
   "app/learn/fundamentals/workflows/retry-failed-steps/page.mdx": "2025-03-28T07:15:19.388Z",
   "app/learn/fundamentals/workflows/workflow-hooks/page.mdx": "2024-12-09T10:44:33.781Z",