Add SonarCloud scanner

.github/workflows/php.yml

@@ -64,6 +64,12 @@ jobs:
     - name: fix code coverage paths
       run: sed -i 's/\/home\/runner\/work\/daux.io\/daux.io\//\/github\/workspace\//g' coverage.clover
 
+    - name: SonarCloud Scan
+      uses: SonarSource/sonarcloud-github-action@v1.1
+      env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+
   documentation:
     runs-on: ubuntu-latest
     if: github.repository == 'dauxio/daux.io' && github.event_name != 'pull_request' && github.ref == 'refs/heads/master'