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/test.yml

@@ -0,0 +1,11 @@
+on:
+  workflow_dispatch:
+  pull_request:
+
+name: "Test"
+permissions: {}
+
+jobs:
+  shellcheck:
+    name: Test
+    uses: ./.github/workflows/check.yml