Add multilingual audit CI pipeline + extract mandelblog_content_guard

mandelblog_content_guard/apps.py

@@ -0,0 +1,10 @@
+from django.apps import AppConfig
+
+
+class MandelblogContentGuardConfig(AppConfig):
+    default_auto_field = "django.db.models.BigAutoField"
+    name = "mandelblog_content_guard"
+    verbose_name = "MandelBlog Content Guard"
+
+    def ready(self):
+        from . import signals  # noqa: F401