Created GH workflow for accessibility checks (#957)

* Create axe-a11y-check.yml

.github/workflows/axe-a11y-check.yml

@@ -0,0 +1,31 @@
+name: axe
+on:
+  push:
+    branches:
+      - master
+      - develop
+  pull_request:
+    branches:
+      - master
+      - develop
+jobs:
+  axe:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node-version: [16.x, 18.x]
+    steps:
+      - uses: actions/checkout@v2
+      - name: Use Node.js ${{ matrix.node-version }}
+        uses: actions/setup-node@v1
+        with:
+          node-version: ${{ matrix.node-version }}
+      - run: npm install
+      - run: npm install -g http-server
+      - run: npm run build --if-present
+      - run: http-server -s &
+      - name: Run axe
+        run: |
+          npm install -g @axe-core/cli
+          sleep 90
+          axe http://127.0.0.1:8080 --exit