add notes app

app/notizen/admin.py

@@ -0,0 +1,22 @@
+from django.contrib import admin
+from .models import Notiz, Page
+
+
+@admin.register(Notiz)
+class NotizAdmin(admin.ModelAdmin):
+    list_display = ['name', 'erstellt_von', 'erstellt_am', 'geaendert_am', 'attached_to_model_name', 'attached_to_object_str']
+    list_filter = ['erstellt_am', 'geaendert_am', 'content_type']
+    search_fields = ['name', 'inhalt']
+    readonly_fields = ['erstellt_am', 'geaendert_am']
+    
+    def save_model(self, request, obj, form, change):
+        if not change:  # If creating a new object
+            obj.erstellt_von = request.user
+        super().save_model(request, obj, form, change)
+
+
+@admin.register(Page)
+class PageAdmin(admin.ModelAdmin):
+    list_display = ['name', 'identifier', 'description']
+    search_fields = ['name', 'identifier', 'description']
+    readonly_fields = ['identifier']