move migrate

Author: sdgilley

articles/ai-foundry/toc.yml

@@ -777,8 +777,6 @@ items:
     href: concepts/planning.md
   - name: Choose a resource type
     href: concepts/resource-types.md
-  - name: Migrate from hub based to Foundry project
-    href: how-to/migrate-project.md
   - name: Manage AI Foundry resources
     items:
     - name: Create your first resource
@@ -810,6 +808,8 @@ items:
     items:
     - name: Create a project
       href: how-to/create-projects.md
+    - name: Migrate from hub based to Foundry project
+      href: how-to/migrate-project.md
     - name: Create a project using a Bicep template
       href: how-to/create-azure-ai-project-template.md
   - name: Management center