feat: add test coverage to sonarcloud

.github/workflows/coverage.yml

@@ -0,0 +1,23 @@
+name: Build
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    types: [opened, synchronize, reopened]
+jobs:
+  sonarcloud:
+    name: SonarCloud
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - name: Install dependencies
+        run: npm install
+      - name: Test and coverage
+        run: npm run test --coverage
+      - name: SonarCloud Scan
+        uses: SonarSource/sonarcloud-github-action@master
+        env:
+          SONAR_TOKEN: ${{secrets.SONARCLOUD_TOKEN}}