Update to latest example-appstore structure with custom apps

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/rego-tunnel/build/.github/workflows/hub.yml

@@ -0,0 +1,26 @@
+name: Update
+on:
+  push:
+    branches:
+      - master
+    paths:
+      - readme.md
+      - README.md
+      - .github/workflows/hub.yml
+
+jobs:
+  dockerHubDescription:
+    runs-on: ubuntu-latest
+    steps:
+      -
+        name: Checkout repo
+        uses: actions/checkout@v6
+      - 
+        name: Docker Hub Description
+        uses: peter-evans/dockerhub-description@v5
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+          repository: ${{ secrets.DOCKERHUB_REPO }}
+          short-description: ${{ github.event.repository.description }}
+          readme-filepath: ./readme.md