Added black test

.gitea/workflows/test_before_merge.yaml

@@ -0,0 +1,26 @@
+name: Test before pr merge
+run-name: Test before pr merge
+on:
+  pull_request:
+    types:
+      - opened
+      - edited
+      - reopened
+      - synchronize
+      - ready_for_review
+
+jobs:
+  test-lint:
+    runs-on: [ runner ]
+    container: git.sh-edraft.de/sh-edraft.de/act-runner:latest
+    steps:
+      - name: Clone Repository
+        uses: https://github.com/actions/checkout@v3
+        with:
+          token: ${{ secrets.CI_ACCESS_TOKEN }}
+
+      - name: Installing black
+        run: python3.12 -m pip install black
+
+      - name: Checking black
+        run: python3.12 -m black src --check