Add SonarCloud CI workflow configuration

This workflow runs SonarCloud analysis daily and on demand, including  tests with coverage.

Author: gcatanese

.github/workflows/sonarcloud.yml

@@ -0,0 +1,52 @@
+name: Sonarcloud CI
+
+on:
+  schedule:
+    # Every day at midnight
+    - cron: '0 0 * * *'
+  workflow_dispatch: {}
+
+permissions:
+  contents: read
+  pull-requests: read
+
+jobs:
+  node-sonarqube:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+          cache: 'npm'
+
+      - name: Install dependencies
+        run: npm ci
+
+      - name: Run lint
+        run: npm run lint --if-present
+
+      - name: Run tests with coverage
+        run: npm run test:coverage
+
+      - name: Cache SonarCloud packages
+        uses: actions/cache@v4
+        with:
+          path: ~/.sonar/cache
+          key: ${{ runner.os }}-sonar
+          restore-keys: ${{ runner.os }}-sonar
+
+      - name: Run SonarCloud Analysis
+        env:
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+        run: |
+          npx sonar-scanner \
+            -Dsonar.projectKey=Adyen_adyen-node-api-library \
+            -Dsonar.organization=adyen \
+            -Dsonar.sources=. \
+            -Dsonar.javascript.lcov.reportPaths=coverage/lcov.info \
+            -Dsonar.host.url=https://sonarcloud.io