Install pa11y-ci

.github/workflows/checks.yml

@@ -81,3 +81,17 @@ jobs:
           allow_issue_writing: false
           rules_file_name: 'zap.conf'
           cmd_options: '-I'
+
+  a11y-scan:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: ./.github/actions/setup-project
+      - name: Run server
+        run: make run-flask &
+        env:
+          NOTIFY_ENVIRONMENT: scanning
+      - name: Install pa11y-ci
+        run: npm install -g pa11y-ci
+      - name: Run pa11y-ci
+        run: pa11y-ci