add: code quality check

.github/workflows/code-quality.yml

@@ -0,0 +1,26 @@
+name: QualityGate
+on:
+  pull_request:
+    branches:
+      - dev 
+      - parachain_dev # or the name of your main branch
+
+jobs:
+  build:
+    name: QualityGate
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
+      - uses: sonarsource/sonarqube-scan-action@master
+        env:
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+          SONAR_HOST_URL: ${{ secrets.SONAR_HOST_URL }}
+      # If you wish to fail your job when the Quality Gate is red, uncomment the
+      # following lines. This would typically be used to fail a deployment.
+      - uses: sonarsource/sonarqube-quality-gate-action@master
+        timeout-minutes: 5
+        env:
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+

sonar-project.properties

@@ -0,0 +1 @@
+sonar.projectKey=peaqnetwork_peaq-pallet-rbac_AYPVg20lgaw_-9Anzndi