add sonar to PR workflow

.github/workflows/pr.yml

@@ -26,11 +26,26 @@ jobs:
       #- name: Unit tests
       #  run: npm run test
 
+  sonarcloud:
+    name: SonarCloud
+    runs-on: ubuntu-latest
+    needs:
+      - code-checks
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0  # Shallow clones should be disabled for a better relevancy of analysis
+      - name: SonarCloud Scan
+        uses: SonarSource/sonarcloud-github-action@master
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}  # Needed to get PR information, if any
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+
   docker-build:
     name: Build Docker image
     runs-on: ubuntu-latest
     needs:
-      - code-checks
+      - sonarcloud
     steps:
       - uses: actions/checkout@v4
       - uses: docker/setup-buildx-action@v3