ci: add a new job in next.js workflow to build a redoc api documentat…

…ion page

.github/workflows/nextjs.yml

@@ -80,13 +80,27 @@ jobs:
         with:
           path: ./out
 
+  build_redoc:
+    runs-on: ubuntu-latest
+    needs: build
+    name: Build redoc
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: build doc
+        run: npx @redocly/cli build-docs https://bitbucket.org/medicalinformatics/mainzelliste/raw/development/resources/Mainzelliste.OpenApi.Spec.yaml -o out/openapi/mainzelliste-api.html
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: ./out/openapi
+
   # Deployment job
   deploy:
     environment:
       name: github-pages
       url: ${{ steps.deployment.outputs.page_url }}
     runs-on: ubuntu-latest
-    needs: build
+    needs: build_redoc
     steps:
       - name: Deploy to GitHub Pages
         id: deployment