Docs: add config drift statefile generator

.github/workflows/config-docs-drift.yml

@@ -0,0 +1,29 @@
+name: Config Docs Drift
+
+on:
+  workflow_dispatch:
+
+concurrency:
+  group: config-docs-drift-${{ github.ref }}
+  cancel-in-progress: true
+
+env:
+  FORCE_JAVASCRIPT_ACTIONS_TO_NODE24: "true"
+
+jobs:
+  config-docs-drift:
+    runs-on: blacksmith-16vcpu-ubuntu-2404
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v6
+        with:
+          submodules: false
+
+      - name: Setup Node environment
+        uses: ./.github/actions/setup-node-env
+        with:
+          install-bun: "false"
+          use-sticky-disk: "false"
+
+      - name: Check config docs drift statefile
+        run: pnpm config:docs:check