feat: add logic to override the settings

steering/settings.py

 import os
+import sys
 from pathlib import Path
 
 import ldap
@@ -242,3 +243,12 @@ LOGGING = {
         },
     },
 }
+
+# ATTENTION:
+# Don’t add any configuration settings after this, so that administrators can override them.
+try:
+    sys.path.insert(0, "/etc/steering")
+    from steering_settings import *  # noqa: F401,F403
+except ImportError:
+    if os.path.exists("/etc/steering/steering_settings.py"):
+        raise