add e2e test github workflow

.github/workflows/e2e.yml

@@ -0,0 +1,74 @@
+name: E2E tests
+on:
+  pull_request:
+
+permissions:
+  contents: read
+  id-token: write
+
+jobs:
+  resolve-versions:
+    name: Resolve Grafana images
+    runs-on: ubuntu-latest
+    timeout-minutes: 3
+    outputs:
+      matrix: ${{ steps.resolve-versions.outputs.matrix }}
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Resolve Grafana E2E versions
+        id: resolve-versions
+        uses: grafana/plugin-actions/e2e-version@main
+
+  playwright-tests:
+    needs: resolve-versions
+    timeout-minutes: 60
+    strategy:
+      fail-fast: false
+      matrix:
+        GRAFANA_IMAGE: ${{fromJson(needs.resolve-versions.outputs.matrix)}}
+    name: e2e ${{ matrix.GRAFANA_IMAGE.name }}@${{ matrix.GRAFANA_IMAGE.VERSION }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Setup Node.js environment
+        uses: actions/setup-node@v4
+        with:
+          node-version-file: .nvmrc
+
+      - name: Install yarn dependencies
+        run: yarn install
+
+      - name: Build frontend
+        run: yarn build
+
+      - name: Install Playwright Browsers
+        run: yarn playwright install --with-deps
+
+      - name: Start Grafana
+        run: |
+          docker-compose pull
+          GRAFANA_VERSION=${{ matrix.GRAFANA_IMAGE.VERSION }} GRAFANA_IMAGE=${{ matrix.GRAFANA_IMAGE.NAME }} docker-compose up -d
+
+      - name: Wait for Grafana to start
+        uses: nev7n/wait_for_response@v1
+        with:
+          url: 'http://localhost:3000/'
+          responseCode: 200
+          timeout: 60000
+          interval: 500
+
+      - name: Run Playwright tests
+        id: run-tests
+        run: yarn playwright test
+
+      # Uncomment this step to upload the Playwright report to Github artifacts.
+      # If your repository is public, the report will be public on the Internet so beware not to expose sensitive information.
+      # - name: Upload artifacts
+      #   uses: actions/upload-artifact@v4
+      #   if: ${{ (always() && steps.run-tests.outcome == 'success') || (failure() && steps.run-tests.outcome == 'failure') }}
+      #   with:
+      #     name: playwright-report-${{ matrix.GRAFANA_IMAGE.NAME }}-v${{ matrix.GRAFANA_IMAGE.VERSION }}-${{github.run_id}}
+      #     path: playwright-report/
+      #     retention-days: 30