Add GitHub Actions workflow

.github/workflows/e2e-tests.yaml

@@ -0,0 +1,49 @@
+name: End-to-end tests
+on:
+  deployment_status:
+jobs:
+  run-e2e-tests:
+    name: Run
+    runs-on: ubuntu-latest
+    defaults:
+      run:
+        working-directory: frontend
+    steps:
+      - name: Dump GitHub context
+        env:
+          GITHUB_CONTEXT: ${{ toJson(github) }}
+        run: echo "$GITHUB_CONTEXT"
+      - name: Dump job context
+        env:
+          JOB_CONTEXT: ${{ toJson(job) }}
+        run: echo "$JOB_CONTEXT"
+      - name: Dump steps context
+        env:
+          STEPS_CONTEXT: ${{ toJson(steps) }}
+        run: echo "$STEPS_CONTEXT"
+      - name: Dump runner context
+        env:
+          RUNNER_CONTEXT: ${{ toJson(runner) }}
+        run: echo "$RUNNER_CONTEXT"
+      - name: Dump strategy context
+        env:
+          STRATEGY_CONTEXT: ${{ toJson(strategy) }}
+        run: echo "$STRATEGY_CONTEXT"
+      - name: Dump matrix context
+        env:
+          MATRIX_CONTEXT: ${{ toJson(matrix) }}
+        run: echo "$MATRIX_CONTEXT"
+      - name: Checkout repository
+        uses: actions/checkout@v3
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version-file: ./frontend/.nvmrc
+      - name: Install dependencies
+        run: |
+          npm ci
+      - name: Run end-to-end tests via Cypress
+        env:
+          PUBLIC_URL: ${{ github.event.deployment_status.target_url }}
+        run: |
+          npm run test-only