docs: [verified] group Strategy into adoption and autonomy stages

sidebars/strategy.ts

@@ -1,2 +1,21 @@
 import type {SidebarsConfig} from '@docusaurus/plugin-content-docs';
-export default {strategySidebar: ['target-operating-model', 'roadmap', 'skills-governance', 'skills-quality', 'skills-adoption', 'measurement', 'skills-maintenance']} satisfies SidebarsConfig;
+export default {
+  strategySidebar: [
+    'target-operating-model',
+    'roadmap',
+    {
+      type: 'category',
+      label: 'Stage - 01 - Skills Adoption',
+      link: {type: 'doc', id: 'stage-01-skills-adoption'},
+      collapsed: true,
+      items: [
+        {type: 'doc', id: 'skills-governance', label: 'Governance'},
+        {type: 'doc', id: 'skills-quality', label: 'Quality'},
+        {type: 'doc', id: 'skills-adoption', label: 'Adoption'},
+        {type: 'doc', id: 'measurement', label: 'Measurement'},
+        {type: 'doc', id: 'skills-maintenance', label: 'Maintenance'},
+      ],
+    },
+    'stage-02-autonomous-agent',
+  ],
+} satisfies SidebarsConfig;