Add accessibility report to CI

.gitlab-ci.yml

@@ -26,3 +26,21 @@ test:
     paths:
       - render-test/screenshots/
 
+a11y:
+  stage: test
+  image: registry.gitlab.com/gitlab-org/ci-cd/accessibility:5.3.0-gitlab.3
+  services:
+    - name: "${IMAGE_TAG}"
+      alias: website
+  variables:
+    a11y_urls: "http://website:8080"
+  script: /gitlab-accessibility.sh $a11y_urls
+  allow_failure: true
+  artifacts:
+    when: always
+    expose_as: 'Accessibility Reports'
+    paths:
+      - reports/
+    reports:
+      accessibility: reports/gl-accessibility.json
+