Add SonarQube workflow and test file

.gitea/workflows/sonarqube.yaml

@@ -0,0 +1,20 @@
+name: SonarQube Analysis
+
+on:
+  push:
+    branches: [main, master, develop]
+  pull_request:
+
+jobs:
+  sonarqube:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: SonarQube Scan
+        uses: sonarsource/sonarqube-scan-action@master
+        env:
+          SONAR_TOKEN: ${{ secrets.SONAR_TOKEN }}
+          SONAR_HOST_URL: ${{ secrets.SONAR_HOST_URL }}