create suspicious request detector and policy, add request to policy engine

passbook/suspicious_policy/apps.py

@@ -0,0 +1,15 @@
+"""Passbook suspicious_policy app config"""
+from importlib import import_module
+
+from django.apps import AppConfig
+
+
+class PassbookSuspiciousPolicyConfig(AppConfig):
+    """Passbook suspicious_policy app config"""
+
+    name = 'passbook.suspicious_policy'
+    label = 'passbook_suspicious_policy'
+    verbose_name = 'passbook Suspicious Request Detector'
+
+    def ready(self):
+        import_module('passbook.suspicious_policy.signals')