SPFx in marketplace docs relocation in the TOC

Author: VesaJuvonen

docs/toc.yml

@@ -157,16 +157,6 @@
           href: spfx/web-parts/guidance/build-custom-property-pane-controls.md
         - name: Use cascading dropdowns
           href: spfx/web-parts/guidance/use-cascading-dropdowns-in-web-part-properties.md
-    - name: Publish to marketplace
-      items:
-      - name: Overview
-        href: spfx/publish-to-marketplace-overview.md
-      - name: App validation checklist
-        href: spfx/publish-to-marketplace-checklist.md
-      - name: After publishing your app
-        href: spfx/publish-to-marketplace-after-publishing.md
-      - name: Frequently asked questions
-        href: spfx/publish-to-marketplace-faq.md
     - name: Concepts & scenarios
       items:
       - name: Preconfigure web parts
@@ -241,6 +231,16 @@
       href: spfx/library-component-overview.md
     - name: Library component tutorial
       href: spfx/library-component-tutorial.md
+  - name: Publish to marketplace
+      items:
+      - name: Overview
+        href: spfx/publish-to-marketplace-overview.md
+      - name: App validation checklist
+        href: spfx/publish-to-marketplace-checklist.md
+      - name: After publishing your app
+        href: spfx/publish-to-marketplace-after-publishing.md
+      - name: Frequently asked questions
+        href: spfx/publish-to-marketplace-faq.md
   - name: Migrate existing customizations
     items:
     - name: Script Editor web part