docs: add build with AI & LLMs doc (#12848)

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": "2025-06-20T08:36:29.097Z",
-  "app/learn/page.mdx": "2025-05-01T15:30:08.238Z",
+  "app/learn/page.mdx": "2025-06-27T11:39:15.941Z",
   "app/learn/fundamentals/modules/commerce-modules/page.mdx": "2025-04-17T08:51:32.723Z",
   "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",
@@ -122,5 +122,6 @@ export const generatedEditDates = {
   "app/learn/fundamentals/workflows/errors/page.mdx": "2025-04-25T14:26:25.000Z",
   "app/learn/fundamentals/api-routes/override/page.mdx": "2025-05-09T08:01:24.493Z",
   "app/learn/fundamentals/module-links/index/page.mdx": "2025-05-23T07:57:58.958Z",
-  "app/learn/fundamentals/module-links/index-module/page.mdx": "2025-06-19T16:02:05.665Z"
+  "app/learn/fundamentals/module-links/index-module/page.mdx": "2025-06-19T16:02:05.665Z",
+  "app/learn/introduction/build-with-llms-ai/page.mdx": "2025-06-27T12:07:08.147Z"
 }

www/apps/book/generated/sidebar.mjs

@@ -38,6 +38,16 @@ export const generatedSidebars = [
             "children": [],
             "chapterTitle": "1.3. Architecture",
             "number": "1.3."
+          },
+          {
+            "loaded": true,
+            "isPathHref": true,
+            "type": "link",
+            "title": "AI Assistants and LLMs",
+            "path": "/learn/introduction/build-with-llms-ai",
+            "children": [],
+            "chapterTitle": "1.4. AI Assistants and LLMs",
+            "number": "1.4."
           }
         ],
         "chapterTitle": "1. Getting Started",