Add sonar to workflow

Author: Oryan M

.github/workflows/pull-request.yml

@@ -24,3 +24,15 @@ jobs:
           restore-keys: ${{ runner.os }}-m2
       - name: Build with Maven
         run: mvn --batch-mode --update-snapshots verify
+  analyze:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Setup java
+        uses: actions/setup-java@v2
+        with:
+          java-version: '8'
+      - name: Analyze with SonarCloud
+        run: mvn -B clean verify -Psonar -Dsonar.login=${{ secrets.SONAR_TOKEN }}
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}