Add history tracking functionality using django-pghistory; implement views, templates, and middleware for event serialization and context management

history/apps.py

@@ -0,0 +1,12 @@
+from django.apps import AppConfig
+
+class HistoryConfig(AppConfig):
+    default_auto_field = 'django.db.models.BigAutoField'
+    name = 'history'
+    verbose_name = 'History Tracking'
+
+    def ready(self):
+        """Initialize app and signal handlers"""
+        from django.dispatch import Signal
+        # Create a signal for history updates
+        self.history_updated = Signal()