add admin module

docs-transition/antora.yml

@@ -0,0 +1,6 @@
+name: admin
+title: Wiki Admin
+version: master
+start_page: ROOT:wiki_admin.adoc
+nav:
+- modules/ROOT/nav.adoc

docs-transition/modules/ROOT/nav.adoc

@@ -0,0 +1 @@
+* xref:wiki_admin.adoc[Wiki Admin]

wiki-playbook.yml

@@ -11,6 +11,9 @@ content:
   - url: https://github.com/jMonkeyEngine/wiki-ui
     branches: HEAD
     start_path: docs
+  - url: .
+    branches: HEAD
+    start_path: docs-transition
 ui:
   bundle:
     url: https://github.com/jMonkeyEngine/wiki-ui/releases/latest/download/ui-bundle.zip