docs: migration guide from v1 to v2 (#12597)

Closes DX-1637

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

@@ -124,5 +124,6 @@ export const generatedEditDates = {
   "app/learn/fundamentals/module-links/index-module/page.mdx": "2025-06-19T16:02:05.665Z",
   "app/learn/introduction/build-with-llms-ai/page.mdx": "2025-07-22T16:19:11.668Z",
   "app/learn/installation/docker/page.mdx": "2025-07-23T15:34:18.530Z",
-  "app/learn/fundamentals/generated-types/page.mdx": "2025-07-25T13:17:35.319Z"
+  "app/learn/fundamentals/generated-types/page.mdx": "2025-07-25T13:17:35.319Z",
+  "app/learn/introduction/from-v1-to-v2/page.mdx": "2025-07-28T08:10:25.987Z"
 }

www/apps/book/generated/sidebar.mjs

@@ -59,6 +59,16 @@ export const generatedSidebars = [
             "children": [],
             "chapterTitle": "1.4. AI Assistants and LLMs",
             "number": "1.4."
+          },
+          {
+            "loaded": true,
+            "isPathHref": true,
+            "type": "link",
+            "title": "From v1 to v2",
+            "path": "/learn/introduction/from-v1-to-v2",
+            "children": [],
+            "chapterTitle": "1.5. From v1 to v2",
+            "number": "1.5."
           }
         ],
         "chapterTitle": "1. Getting Started",

www/apps/book/sidebar.mjs

@@ -35,6 +35,11 @@ export const sidebars = [
             title: "AI Assistants and LLMs",
             path: "/learn/introduction/build-with-llms-ai",
           },
+          {
+            type: "link",
+            title: "From v1 to v2",
+            path: "/learn/introduction/from-v1-to-v2",
+          },
         ],
       },
       {