ci: build a redoc api description page

.github/workflows/redoc.yml

@@ -0,0 +1,42 @@
+name: test-deploy
+
+# Run on each push to master
+on:
+  push:
+    branches: [ "develop" ]
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+jobs:
+  build_redoc:
+    runs-on: ubuntu-latest
+    name: Build redoc
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      # use the public name of the action
+      - name: redoc-cli test
+        uses: seeebiii/redoc-cli-github-action@v8
+        with:
+          args: 'bundle https://bitbucket.org/medicalinformatics/mainzelliste/raw/development/resources/Mainzelliste.OpenApi.Spec.yaml'
+
+#      - name: check result
+#        run: |
+#          ls -al
+#          test -f petstore.html || (echo "Missing petstore.html from previous step." && exit 1)
+  # Deployment job
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build_redoc
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4